81840447

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{4139}}^1$

素因数の和:4184

約数の個数: 24

約数和(自身を含む): 128091600

約数和(自身を除く): 46251153

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 2197, 4139, 6591, 12417, 19773, 37251, 53807, 161421, 484263, 699491, 2098473, 6295419, 9093383, 27280149, 81840447]

約数ペア:

[(1, 81840447), (3, 27280149), (9, 9093383), (13, 6295419), (39, 2098473), (117, 699491), (169, 484263), (507, 161421), (1521, 53807), (2197, 37251), (4139, 19773), (6591, 12417)]