81004875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{30859}}^1$

素因数の和:30884

約数の個数: 32

約数和(自身を含む): 154053120

約数和(自身を除く): 73048245

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 30859, 92577, 154295, 216013, 462885, 648039, 771475, 1080065, 2314425, 3240195, 3857375, 5400325, 11572125, 16200975, 27001625, 81004875]

約数ペア:

[(1, 81004875), (3, 27001625), (5, 16200975), (7, 11572125), (15, 5400325), (21, 3857375), (25, 3240195), (35, 2314425), (75, 1080065), (105, 771475), (125, 648039), (175, 462885), (375, 216013), (525, 154295), (875, 92577), (2625, 30859)]