12189681

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 20736144

約数和(自身を除く): 8546463

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 211, 393, 441, 633, 917, 1179, 1477, 1899, 2751, 4431, 6419, 8253, 10339, 13293, 19257, 27641, 31017, 57771, 82923, 93051, 193487, 248769, 580461, 1354409, 1741383, 4063227, 12189681]

約数ペア:

[(1, 12189681), (3, 4063227), (7, 1741383), (9, 1354409), (21, 580461), (49, 248769), (63, 193487), (131, 93051), (147, 82923), (211, 57771), (393, 31017), (441, 27641), (633, 19257), (917, 13293), (1179, 10339), (1477, 8253), (1899, 6419), (2751, 4431)]