740428521

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{1291}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 1166893056

約数和(自身を除く): 426464535

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 881, 1291, 2643, 3873, 6167, 9037, 18501, 27111, 27311, 40021, 81933, 120063, 191177, 280147, 573531, 840441, 1137371, 3412113, 7961597, 23884791, 35258501, 105775503, 246809507, 740428521]

約数ペア:

[(1, 740428521), (3, 246809507), (7, 105775503), (21, 35258501), (31, 23884791), (93, 7961597), (217, 3412113), (651, 1137371), (881, 840441), (1291, 573531), (2643, 280147), (3873, 191177), (6167, 120063), (9037, 81933), (18501, 40021), (27111, 27311)]