90018783

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{12487}}^1$

素因数の和:12588

約数の個数: 20

約数和(自身を含む): 135994320

約数和(自身を除く): 45975537

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 12487, 37461, 112383, 337149, 1011447, 1111343, 3334029, 10002087, 30006261, 90018783]

約数ペア:

[(1, 90018783), (3, 30006261), (9, 10002087), (27, 3334029), (81, 1111343), (89, 1011447), (267, 337149), (801, 112383), (2403, 37461), (7209, 12487)]