1940289

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 2898720

約数和(自身を除く): 958431

約数列:

[1, 3, 13, 39, 43, 89, 129, 169, 267, 507, 559, 1157, 1677, 3471, 3827, 7267, 11481, 15041, 21801, 45123, 49751, 149253, 646763, 1940289]

約数ペア:

[(1, 1940289), (3, 646763), (13, 149253), (39, 49751), (43, 45123), (89, 21801), (129, 15041), (169, 11481), (267, 7267), (507, 3827), (559, 3471), (1157, 1677)]