149072721

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{66343}}^1$

素因数の和:66460

約数の個数: 16

約数和(自身を含む): 229284864

約数和(自身を除く): 80212143

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 66343, 199029, 464401, 1393203, 7098701, 21296103, 49690907, 149072721]

約数ペア:

[(1, 149072721), (3, 49690907), (7, 21296103), (21, 7098701), (107, 1393203), (321, 464401), (749, 199029), (2247, 66343)]