81816053373

素因数分解:

$3^4\times {\mathrm{733}}^1\times {\mathrm{1378001}}^1$

素因数の和:1378746

約数の個数: 20

約数和(自身を含む): 122385869628

約数和(自身を除く): 40569816255

約数列:

[1, 3, 9, 27, 81, 733, 2199, 6597, 19791, 59373, 1378001, 4134003, 12402009, 37206027, 111618081, 1010074733, 3030224199, 9090672597, 27272017791, 81816053373]

約数ペア:

[(1, 81816053373), (3, 27272017791), (9, 9090672597), (27, 3030224199), (81, 1010074733), (733, 111618081), (2199, 37206027), (6597, 12402009), (19791, 4134003), (59373, 1378001)]