395014921

素因数分解:

$7^5\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 485494080

約数和(自身を除く): 90479159

約数列:

[1, 7, 19, 49, 133, 343, 931, 1237, 2401, 6517, 8659, 16807, 23503, 45619, 60613, 164521, 319333, 424291, 1151647, 2970037, 8061529, 20790259, 56430703, 395014921]

約数ペア:

[(1, 395014921), (7, 56430703), (19, 20790259), (49, 8061529), (133, 2970037), (343, 1151647), (931, 424291), (1237, 319333), (2401, 164521), (6517, 60613), (8659, 45619), (16807, 23503)]