64721727

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4691}}^1$

素因数の和:4780

約数の個数: 32

約数和(自身を含む): 111106560

約数和(自身を除く): 46384833

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 4599, 4691, 13797, 14073, 32837, 42219, 98511, 126657, 295533, 342443, 886599, 1027329, 2397101, 3081987, 7191303, 9245961, 21573909, 64721727]

約数ペア:

[(1, 64721727), (3, 21573909), (7, 9245961), (9, 7191303), (21, 3081987), (27, 2397101), (63, 1027329), (73, 886599), (189, 342443), (219, 295533), (511, 126657), (657, 98511), (1533, 42219), (1971, 32837), (4599, 14073), (4691, 13797)]