7220199141

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{331369}}^1$

素因数の和:331650

約数の個数: 20

約数和(自身を含む): 10825857900

約数和(自身を除く): 3605658759

約数列:

[1, 3, 9, 27, 81, 269, 807, 2421, 7263, 21789, 331369, 994107, 2982321, 8946963, 26840889, 89138261, 267414783, 802244349, 2406733047, 7220199141]

約数ペア:

[(1, 7220199141), (3, 2406733047), (9, 802244349), (27, 267414783), (81, 89138261), (269, 26840889), (807, 8946963), (2421, 2982321), (7263, 994107), (21789, 331369)]