2278903977

素因数分解:

$3^4\times 7^1\times {\mathrm{4019231}}^1$

素因数の和:4019250

約数の個数: 20

約数和(自身を含む): 3890616576

約数和(自身を除く): 1611712599

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4019231, 12057693, 28134617, 36173079, 84403851, 108519237, 253211553, 325557711, 759634659, 2278903977]

約数ペア:

[(1, 2278903977), (3, 759634659), (7, 325557711), (9, 253211553), (21, 108519237), (27, 84403851), (63, 36173079), (81, 28134617), (189, 12057693), (567, 4019231)]