78706125

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 145269696

約数和(自身を除く): 66563571

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 375, 387, 645, 1075, 1125, 1627, 1935, 3225, 4881, 5375, 8135, 9675, 14643, 16125, 24405, 40675, 48375, 69961, 73215, 122025, 203375, 209883, 349805, 366075, 610125, 629649, 1049415, 1749025, 1830375, 3148245, 5247075, 8745125, 15741225, 26235375, 78706125]

約数ペア:

[(1, 78706125), (3, 26235375), (5, 15741225), (9, 8745125), (15, 5247075), (25, 3148245), (43, 1830375), (45, 1749025), (75, 1049415), (125, 629649), (129, 610125), (215, 366075), (225, 349805), (375, 209883), (387, 203375), (645, 122025), (1075, 73215), (1125, 69961), (1627, 48375), (1935, 40675), (3225, 24405), (4881, 16125), (5375, 14643), (8135, 9675)]