28297575

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4104

約数の個数: 36

約数和(自身を含む): 52331968

約数和(自身を除く): 24034393

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 4057, 6975, 12171, 20285, 36513, 60855, 101425, 125767, 182565, 304275, 377301, 628835, 912825, 1131903, 1886505, 3144175, 5659515, 9432525, 28297575]

約数ペア:

[(1, 28297575), (3, 9432525), (5, 5659515), (9, 3144175), (15, 1886505), (25, 1131903), (31, 912825), (45, 628835), (75, 377301), (93, 304275), (155, 182565), (225, 125767), (279, 101425), (465, 60855), (775, 36513), (1395, 20285), (2325, 12171), (4057, 6975)]