205080975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 428972544

約数和(自身を除く): 223891569

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 43, 45, 47, 55, 75, 99, 123, 129, 141, 165, 205, 215, 225, 235, 275, 369, 387, 423, 451, 473, 495, 517, 615, 645, 705, 825, 1025, 1075, 1175, 1353, 1419, 1551, 1763, 1845, 1927, 1935, 2021, 2115, 2255, 2365, 2475, 2585, 3075, 3225, 3525, 4059, 4257, 4653, 5289, 5781, 6063, 6765, 7095, 7755, 8815, 9225, 9635, 9675, 10105, 10575, 11275, 11825, 12925, 15867, 17343, 18189, 19393, 20295, 21197, 21285, 22231, 23265, 26445, 28905, 30315, 33825, 35475, 38775, 44075, 48175, 50525, 58179, 63591, 66693, 79335, 82861, 86715, 90945, 96965, 101475, 105985, 106425, 111155, 116325, 132225, 144525, 151575, 174537, 190773, 200079, 248583, 290895, 317955, 333465, 396675, 414305, 433575, 454725, 484825, 529925, 555775, 745749, 872685, 911471, 953865, 1000395, 1242915, 1454475, 1589775, 1667325, 2071525, 2734413, 3728745, 4363425, 4557355, 4769325, 5001975, 6214575, 8203239, 13672065, 18643725, 22786775, 41016195, 68360325, 205080975]

約数ペア:

[(1, 205080975), (3, 68360325), (5, 41016195), (9, 22786775), (11, 18643725), (15, 13672065), (25, 8203239), (33, 6214575), (41, 5001975), (43, 4769325), (45, 4557355), (47, 4363425), (55, 3728745), (75, 2734413), (99, 2071525), (123, 1667325), (129, 1589775), (141, 1454475), (165, 1242915), (205, 1000395), (215, 953865), (225, 911471), (235, 872685), (275, 745749), (369, 555775), (387, 529925), (423, 484825), (451, 454725), (473, 433575), (495, 414305), (517, 396675), (615, 333465), (645, 317955), (705, 290895), (825, 248583), (1025, 200079), (1075, 190773), (1175, 174537), (1353, 151575), (1419, 144525), (1551, 132225), (1763, 116325), (1845, 111155), (1927, 106425), (1935, 105985), (2021, 101475), (2115, 96965), (2255, 90945), (2365, 86715), (2475, 82861), (2585, 79335), (3075, 66693), (3225, 63591), (3525, 58179), (4059, 50525), (4257, 48175), (4653, 44075), (5289, 38775), (5781, 35475), (6063, 33825), (6765, 30315), (7095, 28905), (7755, 26445), (8815, 23265), (9225, 22231), (9635, 21285), (9675, 21197), (10105, 20295), (10575, 19393), (11275, 18189), (11825, 17343), (12925, 15867)]