2851121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 3951360

約数和(自身を除く): 1100239

約数列:

[1, 7, 13, 17, 19, 91, 97, 119, 133, 221, 247, 323, 679, 1261, 1547, 1649, 1729, 1843, 2261, 4199, 8827, 11543, 12901, 21437, 23959, 29393, 31331, 150059, 167713, 219317, 407303, 2851121]

約数ペア:

[(1, 2851121), (7, 407303), (13, 219317), (17, 167713), (19, 150059), (91, 31331), (97, 29393), (119, 23959), (133, 21437), (221, 12901), (247, 11543), (323, 8827), (679, 4199), (1261, 2261), (1547, 1843), (1649, 1729)]