490806

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 1116000

約数和(自身を除く): 625194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 149, 183, 298, 366, 447, 549, 894, 1098, 1341, 1647, 2682, 3294, 4023, 8046, 9089, 18178, 27267, 54534, 81801, 163602, 245403, 490806]

約数ペア:

[(1, 490806), (2, 245403), (3, 163602), (6, 81801), (9, 54534), (18, 27267), (27, 18178), (54, 9089), (61, 8046), (122, 4023), (149, 3294), (183, 2682), (298, 1647), (366, 1341), (447, 1098), (549, 894)]