90823509

素因数分解:

$3^2\times 7^2\times {\mathrm{205949}}^1$

素因数の和:205969

約数の個数: 18

約数和(自身を含む): 152608950

約数和(自身を除く): 61785441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 205949, 617847, 1441643, 1853541, 4324929, 10091501, 12974787, 30274503, 90823509]

約数ペア:

[(1, 90823509), (3, 30274503), (7, 12974787), (9, 10091501), (21, 4324929), (49, 1853541), (63, 1441643), (147, 617847), (441, 205949)]