64625463

素因数分解:

$3^2\times 7^2\times {\mathrm{146543}}^1$

素因数の和:146563

約数の個数: 18

約数和(自身を含む): 108589104

約数和(自身を除く): 43963641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 146543, 439629, 1025801, 1318887, 3077403, 7180607, 9232209, 21541821, 64625463]

約数ペア:

[(1, 64625463), (3, 21541821), (7, 9232209), (9, 7180607), (21, 3077403), (49, 1318887), (63, 1025801), (147, 439629), (441, 146543)]