42728511

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107089}}^1$

素因数の和:107118

約数の個数: 16

約数和(自身を含む): 68537600

約数和(自身を除く): 25809089

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 107089, 321267, 749623, 2034691, 2248869, 6104073, 14242837, 42728511]

約数ペア:

[(1, 42728511), (3, 14242837), (7, 6104073), (19, 2248869), (21, 2034691), (57, 749623), (133, 321267), (399, 107089)]