131566275

素因数分解:

$3^6\times 5^2\times {\mathrm{7219}}^1$

素因数の和:7247

約数の個数: 42

約数和(自身を含む): 244635260

約数和(自身を除く): 113068985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 7219, 18225, 21657, 36095, 64971, 108285, 180475, 194913, 324855, 541425, 584739, 974565, 1624275, 1754217, 2923695, 4872825, 5262651, 8771085, 14618475, 26313255, 43855425, 131566275]

約数ペア:

[(1, 131566275), (3, 43855425), (5, 26313255), (9, 14618475), (15, 8771085), (25, 5262651), (27, 4872825), (45, 2923695), (75, 1754217), (81, 1624275), (135, 974565), (225, 584739), (243, 541425), (405, 324855), (675, 194913), (729, 180475), (1215, 108285), (2025, 64971), (3645, 36095), (6075, 21657), (7219, 18225)]