31298421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 52420608

約数和(自身を除く): 21122187

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 863, 1099, 1727, 2589, 3297, 5181, 6041, 9493, 12089, 18123, 28479, 36267, 66451, 135491, 199353, 406473, 948437, 1490401, 2845311, 4471203, 10432807, 31298421]

約数ペア:

[(1, 31298421), (3, 10432807), (7, 4471203), (11, 2845311), (21, 1490401), (33, 948437), (77, 406473), (157, 199353), (231, 135491), (471, 66451), (863, 36267), (1099, 28479), (1727, 18123), (2589, 12089), (3297, 9493), (5181, 6041)]