28369125

素因数分解:

$3^2\times 5^3\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 23417883

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 151, 167, 225, 375, 453, 501, 755, 835, 1125, 1359, 1503, 2265, 2505, 3775, 4175, 6795, 7515, 11325, 12525, 18875, 20875, 25217, 33975, 37575, 56625, 62625, 75651, 126085, 169875, 187875, 226953, 378255, 630425, 1134765, 1891275, 3152125, 5673825, 9456375, 28369125]

約数ペア:

[(1, 28369125), (3, 9456375), (5, 5673825), (9, 3152125), (15, 1891275), (25, 1134765), (45, 630425), (75, 378255), (125, 226953), (151, 187875), (167, 169875), (225, 126085), (375, 75651), (453, 62625), (501, 56625), (755, 37575), (835, 33975), (1125, 25217), (1359, 20875), (1503, 18875), (2265, 12525), (2505, 11325), (3775, 7515), (4175, 6795)]