263460561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41959}}^1$

素因数の和:42005

約数の個数: 32

約数和(自身を含む): 451153920

約数和(自身を除く): 187693359

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 41959, 125877, 293713, 545467, 881139, 965057, 1636401, 2895171, 3818269, 6755399, 11454807, 12545741, 20266197, 37637223, 87820187, 263460561]

約数ペア:

[(1, 263460561), (3, 87820187), (7, 37637223), (13, 20266197), (21, 12545741), (23, 11454807), (39, 6755399), (69, 3818269), (91, 2895171), (161, 1636401), (273, 965057), (299, 881139), (483, 545467), (897, 293713), (2093, 125877), (6279, 41959)]