7980975

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 36

約数和(自身を含む): 14508000

約数和(自身を除く): 6527025

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 449, 711, 1185, 1347, 1975, 2245, 3555, 4041, 5925, 6735, 11225, 17775, 20205, 33675, 35471, 101025, 106413, 177355, 319239, 532065, 886775, 1596195, 2660325, 7980975]

約数ペア:

[(1, 7980975), (3, 2660325), (5, 1596195), (9, 886775), (15, 532065), (25, 319239), (45, 177355), (75, 106413), (79, 101025), (225, 35471), (237, 33675), (395, 20205), (449, 17775), (711, 11225), (1185, 6735), (1347, 5925), (1975, 4041), (2245, 3555)]