64260189

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7966

約数の個数: 32

約数和(自身を含む): 111344640

約数和(自身を除く): 47084451

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 7907, 8127, 23721, 55349, 71163, 166047, 213489, 340001, 498141, 1020003, 1494423, 2380007, 3060009, 7140021, 9180027, 21420063, 64260189]

約数ペア:

[(1, 64260189), (3, 21420063), (7, 9180027), (9, 7140021), (21, 3060009), (27, 2380007), (43, 1494423), (63, 1020003), (129, 498141), (189, 340001), (301, 213489), (387, 166047), (903, 71163), (1161, 55349), (2709, 23721), (7907, 8127)]