161880147

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41927}}^1$

素因数の和:41960

約数の個数: 32

約数和(自身を含む): 281756160

約数和(自身を除く): 119876013

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 41927, 125781, 377343, 461197, 545051, 1132029, 1383591, 1635153, 4150773, 4905459, 5995561, 12452319, 14716377, 17986683, 53960049, 161880147]

約数ペア:

[(1, 161880147), (3, 53960049), (9, 17986683), (11, 14716377), (13, 12452319), (27, 5995561), (33, 4905459), (39, 4150773), (99, 1635153), (117, 1383591), (143, 1132029), (297, 545051), (351, 461197), (429, 377343), (1287, 125781), (3861, 41927)]