251019951

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{24851}}^1$

素因数の和:24911

約数の個数: 32

約数和(自身を含む): 423080448

約数和(自身を除く): 172060497

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 24851, 74553, 173957, 323063, 521871, 919487, 969189, 2261441, 2758461, 6436409, 6784323, 11953331, 19309227, 35859993, 83673317, 251019951]

約数ペア:

[(1, 251019951), (3, 83673317), (7, 35859993), (13, 19309227), (21, 11953331), (37, 6784323), (39, 6436409), (91, 2758461), (111, 2261441), (259, 969189), (273, 919487), (481, 521871), (777, 323063), (1443, 173957), (3367, 74553), (10101, 24851)]