51864375

素因数分解:

$3^1\times 5^4\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 87472000

約数和(自身を除く): 35607625

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 199, 375, 417, 597, 625, 695, 995, 1875, 2085, 2985, 3475, 4975, 10425, 14925, 17375, 24875, 27661, 52125, 74625, 82983, 86875, 124375, 138305, 260625, 373125, 414915, 691525, 2074575, 3457625, 10372875, 17288125, 51864375]

約数ペア:

[(1, 51864375), (3, 17288125), (5, 10372875), (15, 3457625), (25, 2074575), (75, 691525), (125, 414915), (139, 373125), (199, 260625), (375, 138305), (417, 124375), (597, 86875), (625, 82983), (695, 74625), (995, 52125), (1875, 27661), (2085, 24875), (2985, 17375), (3475, 14925), (4975, 10425)]