205705875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{28871}}^1$

素因数の和:28908

約数の個数: 32

約数和(自身を含む): 360322560

約数和(自身を除く): 154616685

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 7125, 28871, 86613, 144355, 433065, 548549, 721775, 1645647, 2165325, 2742745, 3608875, 8228235, 10826625, 13713725, 41141175, 68568625, 205705875]

約数ペア:

[(1, 205705875), (3, 68568625), (5, 41141175), (15, 13713725), (19, 10826625), (25, 8228235), (57, 3608875), (75, 2742745), (95, 2165325), (125, 1645647), (285, 721775), (375, 548549), (475, 433065), (1425, 144355), (2375, 86613), (7125, 28871)]