51139125

素因数分解:

$3^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 93158208

約数和(自身を除く): 42019083

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 131, 225, 347, 375, 393, 655, 1041, 1125, 1179, 1735, 1965, 3123, 3275, 5205, 5895, 8675, 9825, 15615, 16375, 26025, 29475, 43375, 45457, 49125, 78075, 130125, 136371, 147375, 227285, 390375, 409113, 681855, 1136425, 2045565, 3409275, 5682125, 10227825, 17046375, 51139125]

約数ペア:

[(1, 51139125), (3, 17046375), (5, 10227825), (9, 5682125), (15, 3409275), (25, 2045565), (45, 1136425), (75, 681855), (125, 409113), (131, 390375), (225, 227285), (347, 147375), (375, 136371), (393, 130125), (655, 78075), (1041, 49125), (1125, 45457), (1179, 43375), (1735, 29475), (1965, 26025), (3123, 16375), (3275, 15615), (5205, 9825), (5895, 8675)]