28577997

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6389}}^1$

素因数の和:6473

約数の個数: 24

約数和(自身を含む): 47848320

約数和(自身を除く): 19270323

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6389, 19167, 44723, 57501, 134169, 402507, 453619, 1360857, 3175333, 4082571, 9525999, 28577997]

約数ペア:

[(1, 28577997), (3, 9525999), (7, 4082571), (9, 3175333), (21, 1360857), (63, 453619), (71, 402507), (213, 134169), (497, 57501), (639, 44723), (1491, 19167), (4473, 6389)]