280061523

素因数分解:

$3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3623}}^1$

素因数の和:4048

約数の個数: 32

約数和(自身を含む): 475468800

約数和(自身を除く): 195407277

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 409, 1227, 2863, 3623, 3681, 8589, 10869, 11043, 25361, 25767, 32607, 76083, 77301, 97821, 228249, 684747, 1481807, 4445421, 10372649, 13336263, 31117947, 40008789, 93353841, 280061523]

約数ペア:

[(1, 280061523), (3, 93353841), (7, 40008789), (9, 31117947), (21, 13336263), (27, 10372649), (63, 4445421), (189, 1481807), (409, 684747), (1227, 228249), (2863, 97821), (3623, 77301), (3681, 76083), (8589, 32607), (10869, 25767), (11043, 25361)]