28136031

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^2$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 46905984

約数和(自身を除く): 18769953

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 349, 1047, 2443, 3839, 7329, 11517, 26873, 80619, 121801, 365403, 852607, 1339811, 2557821, 4019433, 9378677, 28136031]

約数ペア:

[(1, 28136031), (3, 9378677), (7, 4019433), (11, 2557821), (21, 1339811), (33, 852607), (77, 365403), (231, 121801), (349, 80619), (1047, 26873), (2443, 11517), (3839, 7329)]