90867075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 166650048

約数和(自身を除く): 75782973

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 67, 75, 107, 169, 195, 201, 321, 325, 335, 507, 535, 845, 871, 975, 1005, 1391, 1605, 1675, 2535, 2613, 2675, 4173, 4225, 4355, 5025, 6955, 7169, 8025, 11323, 12675, 13065, 18083, 20865, 21507, 21775, 33969, 34775, 35845, 54249, 56615, 65325, 90415, 93197, 104325, 107535, 169845, 179225, 271245, 279591, 283075, 452075, 465985, 537675, 849225, 1211561, 1356225, 1397955, 2329925, 3634683, 6057805, 6989775, 18173415, 30289025, 90867075]

約数ペア:

[(1, 90867075), (3, 30289025), (5, 18173415), (13, 6989775), (15, 6057805), (25, 3634683), (39, 2329925), (65, 1397955), (67, 1356225), (75, 1211561), (107, 849225), (169, 537675), (195, 465985), (201, 452075), (321, 283075), (325, 279591), (335, 271245), (507, 179225), (535, 169845), (845, 107535), (871, 104325), (975, 93197), (1005, 90415), (1391, 65325), (1605, 56615), (1675, 54249), (2535, 35845), (2613, 34775), (2675, 33969), (4173, 21775), (4225, 21507), (4355, 20865), (5025, 18083), (6955, 13065), (7169, 12675), (8025, 11323)]