28706409

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 42344640

約数和(自身を除く): 13638231

約数列:

[1, 3, 9, 103, 173, 179, 309, 519, 537, 927, 1557, 1611, 17819, 18437, 30967, 53457, 55311, 92901, 160371, 165933, 278703, 3189601, 9568803, 28706409]

約数ペア:

[(1, 28706409), (3, 9568803), (9, 3189601), (103, 278703), (173, 165933), (179, 160371), (309, 92901), (519, 55311), (537, 53457), (927, 30967), (1557, 18437), (1611, 17819)]