20170028475

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{3323}}^1$

素因数の和:3901

約数の個数: 72

約数和(自身を含む): 36891812880

約数和(自身を除く): 16721784405

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 509, 795, 1325, 1527, 2385, 2545, 3323, 3975, 4581, 7635, 9969, 11925, 12725, 16615, 22905, 26977, 29907, 38175, 49845, 80931, 83075, 114525, 134885, 149535, 176119, 242793, 249225, 404655, 528357, 674425, 747675, 880595, 1213965, 1585071, 1691407, 2023275, 2641785, 4402975, 5074221, 6069825, 7925355, 8457035, 13208925, 15222663, 25371105, 39626775, 42285175, 76113315, 89644571, 126855525, 268933713, 380566575, 448222855, 806801139, 1344668565, 2241114275, 4034005695, 6723342825, 20170028475]

約数ペア:

[(1, 20170028475), (3, 6723342825), (5, 4034005695), (9, 2241114275), (15, 1344668565), (25, 806801139), (45, 448222855), (53, 380566575), (75, 268933713), (159, 126855525), (225, 89644571), (265, 76113315), (477, 42285175), (509, 39626775), (795, 25371105), (1325, 15222663), (1527, 13208925), (2385, 8457035), (2545, 7925355), (3323, 6069825), (3975, 5074221), (4581, 4402975), (7635, 2641785), (9969, 2023275), (11925, 1691407), (12725, 1585071), (16615, 1213965), (22905, 880595), (26977, 747675), (29907, 674425), (38175, 528357), (49845, 404655), (80931, 249225), (83075, 242793), (114525, 176119), (134885, 149535)]