312239025

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 108

約数和(自身を含む): 658624512

約数和(自身を除く): 346385487

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 127, 147, 175, 223, 225, 245, 315, 381, 441, 525, 635, 669, 735, 889, 1115, 1143, 1225, 1561, 1575, 1905, 2007, 2205, 2667, 3175, 3345, 3675, 4445, 4683, 5575, 5715, 6223, 7805, 8001, 9525, 10035, 10927, 11025, 13335, 14049, 16725, 18669, 22225, 23415, 28321, 28575, 31115, 32781, 39025, 40005, 50175, 54635, 56007, 66675, 70245, 84963, 93345, 98343, 117075, 141605, 155575, 163905, 198247, 200025, 254889, 273175, 280035, 351225, 424815, 466725, 491715, 594741, 708025, 819525, 991235, 1274445, 1387729, 1400175, 1784223, 2124075, 2458575, 2973705, 4163187, 4956175, 6372225, 6938645, 8921115, 12489561, 14868525, 20815935, 34693225, 44605575, 62447805, 104079675, 312239025]

約数ペア:

[(1, 312239025), (3, 104079675), (5, 62447805), (7, 44605575), (9, 34693225), (15, 20815935), (21, 14868525), (25, 12489561), (35, 8921115), (45, 6938645), (49, 6372225), (63, 4956175), (75, 4163187), (105, 2973705), (127, 2458575), (147, 2124075), (175, 1784223), (223, 1400175), (225, 1387729), (245, 1274445), (315, 991235), (381, 819525), (441, 708025), (525, 594741), (635, 491715), (669, 466725), (735, 424815), (889, 351225), (1115, 280035), (1143, 273175), (1225, 254889), (1561, 200025), (1575, 198247), (1905, 163905), (2007, 155575), (2205, 141605), (2667, 117075), (3175, 98343), (3345, 93345), (3675, 84963), (4445, 70245), (4683, 66675), (5575, 56007), (5715, 54635), (6223, 50175), (7805, 40005), (8001, 39025), (9525, 32781), (10035, 31115), (10927, 28575), (11025, 28321), (13335, 23415), (14049, 22225), (16725, 18669)]