17681125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 27885312

約数和(自身を除く): 10204187

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 125, 167, 175, 275, 385, 605, 835, 847, 875, 1169, 1375, 1837, 1925, 3025, 4175, 4235, 5845, 9185, 9625, 12859, 15125, 20207, 20875, 21175, 29225, 45925, 64295, 101035, 105875, 141449, 146125, 229625, 321475, 505175, 707245, 1607375, 2525875, 3536225, 17681125]

約数ペア:

[(1, 17681125), (5, 3536225), (7, 2525875), (11, 1607375), (25, 707245), (35, 505175), (55, 321475), (77, 229625), (121, 146125), (125, 141449), (167, 105875), (175, 101035), (275, 64295), (385, 45925), (605, 29225), (835, 21175), (847, 20875), (875, 20207), (1169, 15125), (1375, 12859), (1837, 9625), (1925, 9185), (3025, 5845), (4175, 4235)]