15139953

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:878

約数の個数: 20

約数和(自身を含む): 22721380

約数和(自身を除く): 7581427

約数列:

[1, 3, 9, 27, 81, 409, 457, 1227, 1371, 3681, 4113, 11043, 12339, 33129, 37017, 186913, 560739, 1682217, 5046651, 15139953]

約数ペア:

[(1, 15139953), (3, 5046651), (9, 1682217), (27, 560739), (81, 186913), (409, 37017), (457, 33129), (1227, 12339), (1371, 11043), (3681, 4113)]