816798975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{1087}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 1389053952

約数和(自身を除く): 572254977

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 233, 645, 699, 1075, 1087, 1165, 3225, 3261, 3495, 5435, 5825, 10019, 16305, 17475, 27175, 30057, 46741, 50095, 81525, 140223, 150285, 233705, 250475, 253271, 701115, 751425, 759813, 1168525, 1266355, 3505575, 3799065, 6331775, 10890653, 18995325, 32671959, 54453265, 163359795, 272266325, 816798975]

約数ペア:

[(1, 816798975), (3, 272266325), (5, 163359795), (15, 54453265), (25, 32671959), (43, 18995325), (75, 10890653), (129, 6331775), (215, 3799065), (233, 3505575), (645, 1266355), (699, 1168525), (1075, 759813), (1087, 751425), (1165, 701115), (3225, 253271), (3261, 250475), (3495, 233705), (5435, 150285), (5825, 140223), (10019, 81525), (16305, 50095), (17475, 46741), (27175, 30057)]