287201943

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1$

素因数の和:2495

約数の個数: 56

約数和(自身を含む): 513727488

約数和(自身を除く): 226525545

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 729, 1449, 1701, 1863, 2447, 4347, 5103, 5589, 7341, 13041, 16767, 17129, 22023, 39123, 51387, 56281, 66069, 117369, 154161, 168843, 198207, 393967, 462483, 506529, 594621, 1181901, 1387449, 1519587, 1783863, 3545703, 4162347, 4558761, 10637109, 12487041, 13676283, 31911327, 41028849, 95733981, 287201943]

約数ペア:

[(1, 287201943), (3, 95733981), (7, 41028849), (9, 31911327), (21, 13676283), (23, 12487041), (27, 10637109), (63, 4558761), (69, 4162347), (81, 3545703), (161, 1783863), (189, 1519587), (207, 1387449), (243, 1181901), (483, 594621), (567, 506529), (621, 462483), (729, 393967), (1449, 198207), (1701, 168843), (1863, 154161), (2447, 117369), (4347, 66069), (5103, 56281), (5589, 51387), (7341, 39123), (13041, 22023), (16767, 17129)]