3940305

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 6652800

約数和(自身を除く): 2712495

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 149, 205, 215, 447, 615, 645, 745, 1763, 2235, 5289, 6109, 6407, 8815, 18327, 19221, 26445, 30545, 32035, 91635, 96105, 262687, 788061, 1313435, 3940305]

約数ペア:

[(1, 3940305), (3, 1313435), (5, 788061), (15, 262687), (41, 96105), (43, 91635), (123, 32035), (129, 30545), (149, 26445), (205, 19221), (215, 18327), (447, 8815), (615, 6407), (645, 6109), (745, 5289), (1763, 2235)]