64971279

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3917}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 99830640

約数和(自身を除く): 34859361

約数列:

[1, 3, 9, 19, 57, 97, 171, 291, 873, 1843, 3917, 5529, 11751, 16587, 35253, 74423, 223269, 379949, 669807, 1139847, 3419541, 7219031, 21657093, 64971279]

約数ペア:

[(1, 64971279), (3, 21657093), (9, 7219031), (19, 3419541), (57, 1139847), (97, 669807), (171, 379949), (291, 223269), (873, 74423), (1843, 35253), (3917, 16587), (5529, 11751)]