156543969

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{887}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 211628160

約数和(自身を除く): 55084191

約数列:

[1, 3, 89, 267, 661, 887, 1983, 2661, 58829, 78943, 176487, 236829, 586307, 1758921, 52181323, 156543969]

約数ペア:

[(1, 156543969), (3, 52181323), (89, 1758921), (267, 586307), (661, 236829), (887, 176487), (1983, 78943), (2661, 58829)]