64644075

素因数分解:

$3^6\times 5^2\times {\mathrm{3547}}^1$

素因数の和:3575

約数の個数: 42

約数和(自身を含む): 120216884

約数和(自身を除く): 55572809

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3547, 3645, 6075, 10641, 17735, 18225, 31923, 53205, 88675, 95769, 159615, 266025, 287307, 478845, 798075, 861921, 1436535, 2394225, 2585763, 4309605, 7182675, 12928815, 21548025, 64644075]

約数ペア:

[(1, 64644075), (3, 21548025), (5, 12928815), (9, 7182675), (15, 4309605), (25, 2585763), (27, 2394225), (45, 1436535), (75, 861921), (81, 798075), (135, 478845), (225, 287307), (243, 266025), (405, 159615), (675, 95769), (729, 88675), (1215, 53205), (2025, 31923), (3547, 18225), (3645, 17735), (6075, 10641)]