248697891

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4513}}^1$

素因数の和:4692

約数の個数: 32

約数和(自身を含む): 399398720

約数和(自身を除く): 150700829

約数列:

[1, 3, 9, 13, 27, 39, 117, 157, 351, 471, 1413, 2041, 4239, 4513, 6123, 13539, 18369, 40617, 55107, 58669, 121851, 176007, 528021, 708541, 1584063, 2125623, 6376869, 9211033, 19130607, 27633099, 82899297, 248697891]

約数ペア:

[(1, 248697891), (3, 82899297), (9, 27633099), (13, 19130607), (27, 9211033), (39, 6376869), (117, 2125623), (157, 1584063), (351, 708541), (471, 528021), (1413, 176007), (2041, 121851), (4239, 58669), (4513, 55107), (6123, 40617), (13539, 18369)]