9975025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 13038848

約数和(自身を除く): 3063823

約数列:

[1, 5, 25, 31, 61, 155, 211, 305, 775, 1055, 1525, 1891, 5275, 6541, 9455, 12871, 32705, 47275, 64355, 163525, 321775, 399001, 1995005, 9975025]

約数ペア:

[(1, 9975025), (5, 1995005), (25, 399001), (31, 321775), (61, 163525), (155, 64355), (211, 47275), (305, 32705), (775, 12871), (1055, 9455), (1525, 6541), (1891, 5275)]