40804491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 67511808

約数和(自身を除く): 26707317

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1091, 1781, 2877, 3273, 5343, 7637, 12467, 14183, 22911, 37401, 42549, 99281, 149467, 297843, 448401, 1046269, 1943071, 3138807, 5829213, 13601497, 40804491]

約数ペア:

[(1, 40804491), (3, 13601497), (7, 5829213), (13, 3138807), (21, 1943071), (39, 1046269), (91, 448401), (137, 297843), (273, 149467), (411, 99281), (959, 42549), (1091, 37401), (1781, 22911), (2877, 14183), (3273, 12467), (5343, 7637)]