30521625

素因数分解:

$3^1\times 5^3\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 51168000

約数和(自身を除く): 20646375

約数列:

[1, 3, 5, 15, 25, 75, 125, 199, 375, 409, 597, 995, 1227, 2045, 2985, 4975, 6135, 10225, 14925, 24875, 30675, 51125, 74625, 81391, 153375, 244173, 406955, 1220865, 2034775, 6104325, 10173875, 30521625]

約数ペア:

[(1, 30521625), (3, 10173875), (5, 6104325), (15, 2034775), (25, 1220865), (75, 406955), (125, 244173), (199, 153375), (375, 81391), (409, 74625), (597, 51125), (995, 30675), (1227, 24875), (2045, 14925), (2985, 10225), (4975, 6135)]