661685814

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{231197}}^1$

素因数の和:231261

約数の個数: 32

約数和(自身を含む): 1498163040

約数和(自身を除く): 836477226

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 231197, 462394, 693591, 1387182, 2080773, 4161546, 6242319, 12253441, 12484638, 24506882, 36760323, 73520646, 110280969, 220561938, 330842907, 661685814]

約数ペア:

[(1, 661685814), (2, 330842907), (3, 220561938), (6, 110280969), (9, 73520646), (18, 36760323), (27, 24506882), (53, 12484638), (54, 12253441), (106, 6242319), (159, 4161546), (318, 2080773), (477, 1387182), (954, 693591), (1431, 462394), (2862, 231197)]