2430981

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 4103424

約数和(自身を除く): 1672443

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 821, 987, 2463, 2961, 5747, 7389, 17241, 38587, 51723, 115761, 270109, 347283, 810327, 2430981]

約数ペア:

[(1, 2430981), (3, 810327), (7, 347283), (9, 270109), (21, 115761), (47, 51723), (63, 38587), (141, 17241), (329, 7389), (423, 5747), (821, 2961), (987, 2463)]