255382659

素因数分解:

$3^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1569

約数の個数: 48

約数和(自身を含む): 443642400

約数和(自身を除く): 188259741

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 137, 147, 189, 411, 441, 959, 1233, 1323, 1409, 2877, 3699, 4227, 6713, 8631, 9863, 12681, 20139, 25893, 29589, 38043, 60417, 69041, 88767, 181251, 193033, 207123, 266301, 579099, 621369, 1351231, 1737297, 1864107, 4053693, 5211891, 9458617, 12161079, 28375851, 36483237, 85127553, 255382659]

約数ペア:

[(1, 255382659), (3, 85127553), (7, 36483237), (9, 28375851), (21, 12161079), (27, 9458617), (49, 5211891), (63, 4053693), (137, 1864107), (147, 1737297), (189, 1351231), (411, 621369), (441, 579099), (959, 266301), (1233, 207123), (1323, 193033), (1409, 181251), (2877, 88767), (3699, 69041), (4227, 60417), (6713, 38043), (8631, 29589), (9863, 25893), (12681, 20139)]