72191025

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4519}}^1$

素因数の和:4606

約数の個数: 36

約数和(自身を含む): 131152320

約数和(自身を除く): 58961295

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 4519, 5325, 13557, 15975, 22595, 40671, 67785, 112975, 203355, 320849, 338925, 962547, 1016775, 1604245, 2887641, 4812735, 8021225, 14438205, 24063675, 72191025]

約数ペア:

[(1, 72191025), (3, 24063675), (5, 14438205), (9, 8021225), (15, 4812735), (25, 2887641), (45, 1604245), (71, 1016775), (75, 962547), (213, 338925), (225, 320849), (355, 203355), (639, 112975), (1065, 67785), (1775, 40671), (3195, 22595), (4519, 15975), (5325, 13557)]