12531897

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 21308196

約数和(自身を除く): 8776299

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 181, 441, 471, 543, 1099, 1267, 1413, 1629, 3297, 3801, 7693, 8869, 9891, 11403, 23079, 26607, 28417, 69237, 79821, 85251, 198919, 255753, 596757, 1392433, 1790271, 4177299, 12531897]

約数ペア:

[(1, 12531897), (3, 4177299), (7, 1790271), (9, 1392433), (21, 596757), (49, 255753), (63, 198919), (147, 85251), (157, 79821), (181, 69237), (441, 28417), (471, 26607), (543, 23079), (1099, 11403), (1267, 9891), (1413, 8869), (1629, 7693), (3297, 3801)]