81657036

素因数分解:

$2^2\times 3^2\times {\mathrm{523}}^1\times {\mathrm{4337}}^1$

素因数の和:4870

約数の個数: 36

約数和(自身を含む): 206853192

約数和(自身を除く): 125196156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 523, 1046, 1569, 2092, 3138, 4337, 4707, 6276, 8674, 9414, 13011, 17348, 18828, 26022, 39033, 52044, 78066, 156132, 2268251, 4536502, 6804753, 9073004, 13609506, 20414259, 27219012, 40828518, 81657036]

約数ペア:

[(1, 81657036), (2, 40828518), (3, 27219012), (4, 20414259), (6, 13609506), (9, 9073004), (12, 6804753), (18, 4536502), (36, 2268251), (523, 156132), (1046, 78066), (1569, 52044), (2092, 39033), (3138, 26022), (4337, 18828), (4707, 17348), (6276, 13011), (8674, 9414)]