81683575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1847}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 106555680

約数和(自身を除く): 24872105

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 1847, 8845, 9235, 44225, 46175, 53563, 112667, 267815, 563335, 1339075, 2816675, 3267343, 16336715, 81683575]

約数ペア:

[(1, 81683575), (5, 16336715), (25, 3267343), (29, 2816675), (61, 1339075), (145, 563335), (305, 267815), (725, 112667), (1525, 53563), (1769, 46175), (1847, 44225), (8845, 9235)]