139073238

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{108821}}^1$

素因数の和:108900

約数の個数: 24

約数和(自身を含む): 305572176

約数和(自身を除く): 166498938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 108821, 217642, 326463, 652926, 979389, 1958778, 7726291, 15452582, 23178873, 46357746, 69536619, 139073238]

約数ペア:

[(1, 139073238), (2, 69536619), (3, 46357746), (6, 23178873), (9, 15452582), (18, 7726291), (71, 1958778), (142, 979389), (213, 652926), (426, 326463), (639, 217642), (1278, 108821)]