201221381

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1511}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 218211840

約数和(自身を除く): 16990459

約数列:

[1, 19, 43, 163, 817, 1511, 3097, 7009, 28709, 64973, 133171, 246293, 1234487, 4679567, 10590599, 201221381]

約数ペア:

[(1, 201221381), (19, 10590599), (43, 4679567), (163, 1234487), (817, 246293), (1511, 133171), (3097, 64973), (7009, 28709)]