81213207

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1\times {\mathrm{1637}}^1$

素因数の和:2382

約数の個数: 16

約数和(自身を含む): 113218560

約数和(自身を除く): 32005353

約数列:

[1, 3, 23, 69, 719, 1637, 2157, 4911, 16537, 37651, 49611, 112953, 1177003, 3531009, 27071069, 81213207]

約数ペア:

[(1, 81213207), (3, 27071069), (23, 3531009), (69, 1177003), (719, 112953), (1637, 49611), (2157, 37651), (4911, 16537)]