2051679

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 3373488

約数和(自身を除く): 1321809

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 821, 833, 2463, 2499, 5747, 13957, 17241, 40229, 41871, 97699, 120687, 293097, 683893, 2051679]

約数ペア:

[(1, 2051679), (3, 683893), (7, 293097), (17, 120687), (21, 97699), (49, 41871), (51, 40229), (119, 17241), (147, 13957), (357, 5747), (821, 2499), (833, 2463)]