242955921

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{1531}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 352127136

約数和(自身を除く): 109171215

約数列:

[1, 3, 13, 39, 169, 313, 507, 939, 1531, 4069, 4593, 12207, 19903, 52897, 59709, 158691, 258739, 479203, 776217, 1437609, 6229639, 18688917, 80985307, 242955921]

約数ペア:

[(1, 242955921), (3, 80985307), (13, 18688917), (39, 6229639), (169, 1437609), (313, 776217), (507, 479203), (939, 258739), (1531, 158691), (4069, 59709), (4593, 52897), (12207, 19903)]