27991425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 59710464

約数和(自身を除く): 31719039

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 37, 55, 75, 77, 105, 111, 131, 165, 175, 185, 231, 259, 275, 385, 393, 407, 525, 555, 655, 777, 825, 917, 925, 1155, 1221, 1295, 1441, 1925, 1965, 2035, 2751, 2775, 2849, 3275, 3885, 4323, 4585, 4847, 5775, 6105, 6475, 7205, 8547, 9825, 10087, 10175, 13755, 14245, 14541, 19425, 21615, 22925, 24235, 30261, 30525, 33929, 36025, 42735, 50435, 53317, 68775, 71225, 72705, 101787, 108075, 121175, 151305, 159951, 169645, 213675, 252175, 266585, 363525, 373219, 508935, 756525, 799755, 848225, 1119657, 1332925, 1866095, 2544675, 3998775, 5598285, 9330475, 27991425]

約数ペア:

[(1, 27991425), (3, 9330475), (5, 5598285), (7, 3998775), (11, 2544675), (15, 1866095), (21, 1332925), (25, 1119657), (33, 848225), (35, 799755), (37, 756525), (55, 508935), (75, 373219), (77, 363525), (105, 266585), (111, 252175), (131, 213675), (165, 169645), (175, 159951), (185, 151305), (231, 121175), (259, 108075), (275, 101787), (385, 72705), (393, 71225), (407, 68775), (525, 53317), (555, 50435), (655, 42735), (777, 36025), (825, 33929), (917, 30525), (925, 30261), (1155, 24235), (1221, 22925), (1295, 21615), (1441, 19425), (1925, 14541), (1965, 14245), (2035, 13755), (2751, 10175), (2775, 10087), (2849, 9825), (3275, 8547), (3885, 7205), (4323, 6475), (4585, 6105), (4847, 5775)]