221282175

素因数分解:

$3^1\times 5^2\times {\mathrm{557}}^1\times {\mathrm{5297}}^1$

素因数の和:5867

約数の個数: 24

約数和(自身を含む): 366579216

約数和(自身を除く): 145297041

約数列:

[1, 3, 5, 15, 25, 75, 557, 1671, 2785, 5297, 8355, 13925, 15891, 26485, 41775, 79455, 132425, 397275, 2950429, 8851287, 14752145, 44256435, 73760725, 221282175]

約数ペア:

[(1, 221282175), (3, 73760725), (5, 44256435), (15, 14752145), (25, 8851287), (75, 2950429), (557, 397275), (1671, 132425), (2785, 79455), (5297, 41775), (8355, 26485), (13925, 15891)]