78730125

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3046

約数の個数: 32

約数和(自身を含む): 132897024

約数和(自身を除く): 54166899

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 1065, 1775, 2957, 5325, 8871, 8875, 14785, 26625, 44355, 73925, 209947, 221775, 369625, 629841, 1049735, 1108875, 3149205, 5248675, 15746025, 26243375, 78730125]

約数ペア:

[(1, 78730125), (3, 26243375), (5, 15746025), (15, 5248675), (25, 3149205), (71, 1108875), (75, 1049735), (125, 629841), (213, 369625), (355, 221775), (375, 209947), (1065, 73925), (1775, 44355), (2957, 26625), (5325, 14785), (8871, 8875)]