388790775

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{32603}}^1$

素因数の和:32672

約数の個数: 36

約数和(自身を含む): 709528248

約数和(自身を除く): 320737473

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 2385, 3975, 11925, 32603, 97809, 163015, 293427, 489045, 815075, 1467135, 1727959, 2445225, 5183877, 7335675, 8639795, 15551631, 25919385, 43198975, 77758155, 129596925, 388790775]

約数ペア:

[(1, 388790775), (3, 129596925), (5, 77758155), (9, 43198975), (15, 25919385), (25, 15551631), (45, 8639795), (53, 7335675), (75, 5183877), (159, 2445225), (225, 1727959), (265, 1467135), (477, 815075), (795, 489045), (1325, 293427), (2385, 163015), (3975, 97809), (11925, 32603)]