3914379

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 6720000

約数和(自身を除く): 2805621

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 149, 189, 417, 447, 973, 1043, 1251, 1341, 2919, 3129, 3753, 4023, 8757, 9387, 20711, 26271, 28161, 62133, 144977, 186399, 434931, 559197, 1304793, 3914379]

約数ペア:

[(1, 3914379), (3, 1304793), (7, 559197), (9, 434931), (21, 186399), (27, 144977), (63, 62133), (139, 28161), (149, 26271), (189, 20711), (417, 9387), (447, 8757), (973, 4023), (1043, 3753), (1251, 3129), (1341, 2919)]