838235775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1693

約数の個数: 72

約数和(自身を含む): 1538245296

約数和(自身を除く): 700009521

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 169, 195, 205, 325, 507, 533, 615, 845, 975, 1025, 1599, 1613, 2535, 2665, 3075, 4225, 4839, 6929, 7995, 8065, 12675, 13325, 20787, 20969, 24195, 34645, 39975, 40325, 62907, 66133, 103935, 104845, 120975, 173225, 198399, 272597, 314535, 330665, 519675, 524225, 817791, 859729, 991995, 1362985, 1572675, 1653325, 2579187, 4088955, 4298645, 4959975, 6814925, 11176477, 12895935, 20444775, 21493225, 33529431, 55882385, 64479675, 167647155, 279411925, 838235775]

約数ペア:

[(1, 838235775), (3, 279411925), (5, 167647155), (13, 64479675), (15, 55882385), (25, 33529431), (39, 21493225), (41, 20444775), (65, 12895935), (75, 11176477), (123, 6814925), (169, 4959975), (195, 4298645), (205, 4088955), (325, 2579187), (507, 1653325), (533, 1572675), (615, 1362985), (845, 991995), (975, 859729), (1025, 817791), (1599, 524225), (1613, 519675), (2535, 330665), (2665, 314535), (3075, 272597), (4225, 198399), (4839, 173225), (6929, 120975), (7995, 104845), (8065, 103935), (12675, 66133), (13325, 62907), (20787, 40325), (20969, 39975), (24195, 34645)]