66616767

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^2$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 112235760

約数和(自身を除く): 45618993

約数列:

[1, 3, 7, 9, 21, 63, 89, 109, 267, 327, 623, 763, 801, 981, 1869, 2289, 5607, 6867, 9701, 11881, 29103, 35643, 67907, 83167, 87309, 106929, 203721, 249501, 611163, 748503, 1057409, 3172227, 7401863, 9516681, 22205589, 66616767]

約数ペア:

[(1, 66616767), (3, 22205589), (7, 9516681), (9, 7401863), (21, 3172227), (63, 1057409), (89, 748503), (109, 611163), (267, 249501), (327, 203721), (623, 106929), (763, 87309), (801, 83167), (981, 67907), (1869, 35643), (2289, 29103), (5607, 11881), (6867, 9701)]