42728721

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{3761}}^1$

素因数の和:4312

約数の個数: 16

約数和(自身を含む): 65248128

約数和(自身を除く): 22519407

約数列:

[1, 3, 7, 21, 541, 1623, 3761, 3787, 11283, 11361, 26327, 78981, 2034701, 6104103, 14242907, 42728721]

約数ペア:

[(1, 42728721), (3, 14242907), (7, 6104103), (21, 2034701), (541, 78981), (1623, 26327), (3761, 11361), (3787, 11283)]