64880949

素因数分解:

$3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{983}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 100958400

約数和(自身を除く): 36077451

約数列:

[1, 3, 7, 21, 49, 147, 449, 983, 1347, 2949, 3143, 6881, 9429, 20643, 22001, 48167, 66003, 144501, 441367, 1324101, 3089569, 9268707, 21626983, 64880949]

約数ペア:

[(1, 64880949), (3, 21626983), (7, 9268707), (21, 3089569), (49, 1324101), (147, 441367), (449, 144501), (983, 66003), (1347, 48167), (2949, 22001), (3143, 20643), (6881, 9429)]