31139255

素因数分解:

$5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 44390400

約数和(自身を除く): 13251145

約数列:

[1, 5, 7, 35, 49, 67, 245, 271, 335, 343, 469, 1355, 1715, 1897, 2345, 3283, 9485, 13279, 16415, 18157, 22981, 66395, 90785, 92953, 114905, 127099, 464765, 635495, 889693, 4448465, 6227851, 31139255]

約数ペア:

[(1, 31139255), (5, 6227851), (7, 4448465), (35, 889693), (49, 635495), (67, 464765), (245, 127099), (271, 114905), (335, 92953), (343, 90785), (469, 66395), (1355, 22981), (1715, 18157), (1897, 16415), (2345, 13279), (3283, 9485)]