90498051

素因数分解:

$3^2\times 7^2\times {\mathrm{205211}}^1$

素因数の和:205231

約数の個数: 18

約数和(自身を含む): 152062092

約数和(自身を除く): 61564041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 205211, 615633, 1436477, 1846899, 4309431, 10055339, 12928293, 30166017, 90498051]

約数ペア:

[(1, 90498051), (3, 30166017), (7, 12928293), (9, 10055339), (21, 4309431), (49, 1846899), (63, 1436477), (147, 615633), (441, 205211)]