28148001

素因数分解:

$3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 43858080

約数和(自身を除く): 15710079

約数列:

[1, 3, 7, 21, 49, 147, 419, 457, 1257, 1371, 2933, 3199, 8799, 9597, 20531, 22393, 61593, 67179, 191483, 574449, 1340381, 4021143, 9382667, 28148001]

約数ペア:

[(1, 28148001), (3, 9382667), (7, 4021143), (21, 1340381), (49, 574449), (147, 191483), (419, 67179), (457, 61593), (1257, 22393), (1371, 20531), (2933, 9597), (3199, 8799)]