28353825

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5518

約数の個数: 36

約数和(自身を含む): 53002560

約数和(自身を除く): 24648735

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 5479, 16437, 27395, 49311, 82185, 126017, 136975, 246555, 378051, 410925, 630085, 1134153, 1232775, 1890255, 3150425, 5670765, 9451275, 28353825]

約数ペア:

[(1, 28353825), (3, 9451275), (5, 5670765), (9, 3150425), (15, 1890255), (23, 1232775), (25, 1134153), (45, 630085), (69, 410925), (75, 378051), (115, 246555), (207, 136975), (225, 126017), (345, 82185), (575, 49311), (1035, 27395), (1725, 16437), (5175, 5479)]