1042139721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2611879}}^1$

素因数の和:2611908

約数の個数: 16

約数和(自身を含む): 1671603200

約数和(自身を除く): 629463479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2611879, 7835637, 18283153, 49625701, 54849459, 148877103, 347379907, 1042139721]

約数ペア:

[(1, 1042139721), (3, 347379907), (7, 148877103), (19, 54849459), (21, 49625701), (57, 18283153), (133, 7835637), (399, 2611879)]