664647525

素因数分解:

$3^6\times 5^2\times {\mathrm{36469}}^1$

素因数の和:36497

約数の個数: 42

約数和(自身を含む): 1235713010

約数和(自身を除く): 571065485

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 18225, 36469, 109407, 182345, 328221, 547035, 911725, 984663, 1641105, 2735175, 2953989, 4923315, 8205525, 8861967, 14769945, 24616575, 26585901, 44309835, 73849725, 132929505, 221549175, 664647525]

約数ペア:

[(1, 664647525), (3, 221549175), (5, 132929505), (9, 73849725), (15, 44309835), (25, 26585901), (27, 24616575), (45, 14769945), (75, 8861967), (81, 8205525), (135, 4923315), (225, 2953989), (243, 2735175), (405, 1641105), (675, 984663), (729, 911725), (1215, 547035), (2025, 328221), (3645, 182345), (6075, 109407), (18225, 36469)]