204417171

素因数分解:

$3^2\times 7^2\times {\mathrm{463531}}^1$

素因数の和:463551

約数の個数: 18

約数和(自身を含む): 343477212

約数和(自身を除く): 139060041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 463531, 1390593, 3244717, 4171779, 9734151, 22713019, 29202453, 68139057, 204417171]

約数ペア:

[(1, 204417171), (3, 68139057), (7, 29202453), (9, 22713019), (21, 9734151), (49, 4171779), (63, 3244717), (147, 1390593), (441, 463531)]