89904735

素因数分解:

$3^4\times 5^1\times {\mathrm{221987}}^1$

素因数の和:222004

約数の個数: 20

約数和(自身を含む): 161163288

約数和(自身を除く): 71258553

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 221987, 665961, 1109935, 1997883, 3329805, 5993649, 9989415, 17980947, 29968245, 89904735]

約数ペア:

[(1, 89904735), (3, 29968245), (5, 17980947), (9, 9989415), (15, 5993649), (27, 3329805), (45, 1997883), (81, 1109935), (135, 665961), (405, 221987)]