259994763

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^2\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 434519280

約数和(自身を除く): 174524517

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 389, 721, 927, 1167, 2163, 2723, 3501, 6489, 8169, 10609, 24507, 31827, 40067, 74263, 95481, 120201, 222789, 280469, 360603, 668367, 841407, 2524221, 4126901, 12380703, 28888307, 37142109, 86664921, 259994763]

約数ペア:

[(1, 259994763), (3, 86664921), (7, 37142109), (9, 28888307), (21, 12380703), (63, 4126901), (103, 2524221), (309, 841407), (389, 668367), (721, 360603), (927, 280469), (1167, 222789), (2163, 120201), (2723, 95481), (3501, 74263), (6489, 40067), (8169, 31827), (10609, 24507)]