1239565551

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{2179}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 1915330560

約数和(自身を除く): 675765009

約数列:

[1, 3, 7, 21, 103, 263, 309, 721, 789, 1841, 2163, 2179, 5523, 6537, 15253, 27089, 45759, 81267, 189623, 224437, 568869, 573077, 673311, 1571059, 1719231, 4011539, 4713177, 12034617, 59026931, 177080793, 413188517, 1239565551]

約数ペア:

[(1, 1239565551), (3, 413188517), (7, 177080793), (21, 59026931), (103, 12034617), (263, 4713177), (309, 4011539), (721, 1719231), (789, 1571059), (1841, 673311), (2163, 573077), (2179, 568869), (5523, 224437), (6537, 189623), (15253, 81267), (27089, 45759)]