420123057

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1\times {\mathrm{1151}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 596984832

約数和(自身を除く): 176861775

約数列:

[1, 3, 17, 51, 289, 421, 867, 1151, 1263, 3453, 7157, 19567, 21471, 58701, 121669, 332639, 365007, 484571, 997917, 1453713, 8237707, 24713121, 140041019, 420123057]

約数ペア:

[(1, 420123057), (3, 140041019), (17, 24713121), (51, 8237707), (289, 1453713), (421, 997917), (867, 484571), (1151, 365007), (1263, 332639), (3453, 121669), (7157, 58701), (19567, 21471)]