64989495

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20341}}^1$

素因数の和:20423

約数の個数: 24

約数和(自身を含む): 114240672

約数和(自身を除く): 49251177

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20341, 61023, 101705, 183069, 305115, 915345, 1444211, 4332633, 7221055, 12997899, 21663165, 64989495]

約数ペア:

[(1, 64989495), (3, 21663165), (5, 12997899), (9, 7221055), (15, 4332633), (45, 1444211), (71, 915345), (213, 305115), (355, 183069), (639, 101705), (1065, 61023), (3195, 20341)]