3977631

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 6913920

約数和(自身を除く): 2936289

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 3323, 9969, 23261, 29907, 63137, 69783, 189411, 209349, 441959, 568233, 1325877, 3977631]

約数ペア:

[(1, 3977631), (3, 1325877), (7, 568233), (9, 441959), (19, 209349), (21, 189411), (57, 69783), (63, 63137), (133, 29907), (171, 23261), (399, 9969), (1197, 3323)]