85689375

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 40

約数和(自身を含む): 149052288

約数和(自身を除く): 63362913

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 625, 1725, 1875, 1987, 2875, 5961, 8625, 9935, 14375, 29805, 43125, 45701, 49675, 137103, 149025, 228505, 248375, 685515, 745125, 1142525, 1241875, 3427575, 3725625, 5712625, 17137875, 28563125, 85689375]

約数ペア:

[(1, 85689375), (3, 28563125), (5, 17137875), (15, 5712625), (23, 3725625), (25, 3427575), (69, 1241875), (75, 1142525), (115, 745125), (125, 685515), (345, 248375), (375, 228505), (575, 149025), (625, 137103), (1725, 49675), (1875, 45701), (1987, 43125), (2875, 29805), (5961, 14375), (8625, 9935)]