28111575

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 48854016

約数和(自身を除く): 20742441

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 107, 113, 155, 321, 339, 465, 535, 565, 775, 1605, 1695, 2325, 2675, 2825, 3317, 3503, 8025, 8475, 9951, 10509, 12091, 16585, 17515, 36273, 49755, 52545, 60455, 82925, 87575, 181365, 248775, 262725, 302275, 374821, 906825, 1124463, 1874105, 5622315, 9370525, 28111575]

約数ペア:

[(1, 28111575), (3, 9370525), (5, 5622315), (15, 1874105), (25, 1124463), (31, 906825), (75, 374821), (93, 302275), (107, 262725), (113, 248775), (155, 181365), (321, 87575), (339, 82925), (465, 60455), (535, 52545), (565, 49755), (775, 36273), (1605, 17515), (1695, 16585), (2325, 12091), (2675, 10509), (2825, 9951), (3317, 8475), (3503, 8025)]