6728319

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 11121600

約数和(自身を除く): 4393281

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 661, 783, 1131, 1983, 3393, 5949, 8593, 10179, 17847, 19169, 25779, 57507, 77337, 172521, 232011, 249197, 517563, 747591, 2242773, 6728319]

約数ペア:

[(1, 6728319), (3, 2242773), (9, 747591), (13, 517563), (27, 249197), (29, 232011), (39, 172521), (87, 77337), (117, 57507), (261, 25779), (351, 19169), (377, 17847), (661, 10179), (783, 8593), (1131, 5949), (1983, 3393)]