156940581

素因数分解:

$3^1\times 7^2\times {\mathrm{701}}^1\times {\mathrm{1523}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 243925344

約数和(自身を除く): 86984763

約数列:

[1, 3, 7, 21, 49, 147, 701, 1523, 2103, 4569, 4907, 10661, 14721, 31983, 34349, 74627, 103047, 223881, 1067623, 3202869, 7473361, 22420083, 52313527, 156940581]

約数ペア:

[(1, 156940581), (3, 52313527), (7, 22420083), (21, 7473361), (49, 3202869), (147, 1067623), (701, 223881), (1523, 103047), (2103, 74627), (4569, 34349), (4907, 31983), (10661, 14721)]