251011683

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16631}}^1$

素因数の和:16696

約数の個数: 32

約数和(自身を含む): 409812480

約数和(自身を除く): 158800797

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 16631, 49893, 149679, 216203, 449037, 648609, 715133, 1945827, 2145399, 5837481, 6436197, 9296729, 19308591, 27890187, 83670561, 251011683]

約数ペア:

[(1, 251011683), (3, 83670561), (9, 27890187), (13, 19308591), (27, 9296729), (39, 6436197), (43, 5837481), (117, 2145399), (129, 1945827), (351, 715133), (387, 648609), (559, 449037), (1161, 216203), (1677, 149679), (5031, 49893), (15093, 16631)]