64520307

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{1291}}^1$

素因数の和:1920

約数の個数: 20

約数和(自身を含む): 96613176

約数和(自身を除く): 32092869

約数列:

[1, 3, 9, 27, 81, 617, 1291, 1851, 3873, 5553, 11619, 16659, 34857, 49977, 104571, 796547, 2389641, 7168923, 21506769, 64520307]

約数ペア:

[(1, 64520307), (3, 21506769), (9, 7168923), (27, 2389641), (81, 796547), (617, 104571), (1291, 49977), (1851, 34857), (3873, 16659), (5553, 11619)]