2681406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 7154784

約数和(自身を除く): 4473378

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1637, 1638, 3274, 4911, 9822, 11459, 14733, 21281, 22918, 29466, 34377, 42562, 63843, 68754, 103131, 127686, 148967, 191529, 206262, 297934, 383058, 446901, 893802, 1340703, 2681406]

約数ペア:

[(1, 2681406), (2, 1340703), (3, 893802), (6, 446901), (7, 383058), (9, 297934), (13, 206262), (14, 191529), (18, 148967), (21, 127686), (26, 103131), (39, 68754), (42, 63843), (63, 42562), (78, 34377), (91, 29466), (117, 22918), (126, 21281), (182, 14733), (234, 11459), (273, 9822), (546, 4911), (819, 3274), (1637, 1638)]