27857529

素因数分解:

$3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 47201700

約数和(自身を除く): 19344171

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 181, 349, 441, 543, 1047, 1267, 1629, 2443, 3141, 3801, 7329, 8869, 11403, 17101, 21987, 26607, 51303, 63169, 79821, 153909, 189507, 442183, 568521, 1326549, 3095281, 3979647, 9285843, 27857529]

約数ペア:

[(1, 27857529), (3, 9285843), (7, 3979647), (9, 3095281), (21, 1326549), (49, 568521), (63, 442183), (147, 189507), (181, 153909), (349, 79821), (441, 63169), (543, 51303), (1047, 26607), (1267, 21987), (1629, 17101), (2443, 11403), (3141, 8869), (3801, 7329)]