217666593

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{2357}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 325668096

約数和(自身を除く): 108001503

約数列:

[1, 3, 9, 31, 93, 279, 331, 993, 2357, 2979, 7071, 10261, 21213, 30783, 73067, 92349, 219201, 657603, 780167, 2340501, 7021503, 24185177, 72555531, 217666593]

約数ペア:

[(1, 217666593), (3, 72555531), (9, 24185177), (31, 7021503), (93, 2340501), (279, 780167), (331, 657603), (993, 219201), (2357, 92349), (2979, 73067), (7071, 30783), (10261, 21213)]