398289069

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 609912600

約数和(自身を除く): 211623531

約数列:

[1, 3, 9, 27, 61, 81, 149, 183, 447, 541, 549, 1341, 1623, 1647, 4023, 4869, 4941, 9089, 12069, 14607, 27267, 33001, 43821, 80609, 81801, 99003, 241827, 245403, 297009, 725481, 736209, 891027, 2176443, 2673081, 4917149, 6529329, 14751447, 44254341, 132763023, 398289069]

約数ペア:

[(1, 398289069), (3, 132763023), (9, 44254341), (27, 14751447), (61, 6529329), (81, 4917149), (149, 2673081), (183, 2176443), (447, 891027), (541, 736209), (549, 725481), (1341, 297009), (1623, 245403), (1647, 241827), (4023, 99003), (4869, 81801), (4941, 80609), (9089, 43821), (12069, 33001), (14607, 27267)]