9977919

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 15649920

約数和(自身を除く): 5672001

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 659, 721, 1977, 2163, 4613, 5047, 13839, 15141, 32291, 67877, 96873, 203631, 475139, 1425417, 3325973, 9977919]

約数ペア:

[(1, 9977919), (3, 3325973), (7, 1425417), (21, 475139), (49, 203631), (103, 96873), (147, 67877), (309, 32291), (659, 15141), (721, 13839), (1977, 5047), (2163, 4613)]