221657775

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{44111}}^1$

素因数の和:44191

約数の個数: 24

約数和(自身を含む): 371952384

約数和(自身を除く): 150294609

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 5025, 44111, 132333, 220555, 661665, 1102775, 2955437, 3308325, 8866311, 14777185, 44331555, 73885925, 221657775]

約数ペア:

[(1, 221657775), (3, 73885925), (5, 44331555), (15, 14777185), (25, 8866311), (67, 3308325), (75, 2955437), (201, 1102775), (335, 661665), (1005, 220555), (1675, 132333), (5025, 44111)]