2745250921

素因数分解:

$7^3\times {\mathrm{73}}^1\times {\mathrm{109639}}^1$

素因数の和:109733

約数の個数: 16

約数和(自身を含む): 3245344000

約数和(自身を除く): 500093079

約数列:

[1, 7, 49, 73, 343, 511, 3577, 25039, 109639, 767473, 5372311, 8003647, 37606177, 56025529, 392178703, 2745250921]

約数ペア:

[(1, 2745250921), (7, 392178703), (49, 56025529), (73, 37606177), (343, 8003647), (511, 5372311), (3577, 767473), (25039, 109639)]