65881569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1327}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 101140480

約数和(自身を除く): 35258911

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 741, 871, 1273, 1327, 2613, 3819, 3981, 16549, 17251, 25213, 49647, 51753, 75639, 88909, 266727, 327769, 983307, 1155817, 1689271, 3467451, 5067813, 21960523, 65881569]

約数ペア:

[(1, 65881569), (3, 21960523), (13, 5067813), (19, 3467451), (39, 1689271), (57, 1155817), (67, 983307), (201, 327769), (247, 266727), (741, 88909), (871, 75639), (1273, 51753), (1327, 49647), (2613, 25213), (3819, 17251), (3981, 16549)]