220173121

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1367}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 271356480

約数和(自身を除く): 51183359

約数列:

[1, 7, 19, 49, 133, 173, 931, 1211, 1367, 3287, 8477, 9569, 23009, 25973, 66983, 161063, 181811, 236491, 1272677, 1655437, 4493329, 11588059, 31453303, 220173121]

約数ペア:

[(1, 220173121), (7, 31453303), (19, 11588059), (49, 4493329), (133, 1655437), (173, 1272677), (931, 236491), (1211, 181811), (1367, 161063), (3287, 66983), (8477, 25973), (9569, 23009)]