80129721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 129841920

約数和(自身を除く): 49712199

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 389, 577, 1167, 1731, 2723, 4039, 6613, 8169, 9809, 12117, 19839, 29427, 46291, 68663, 138873, 205989, 224453, 673359, 1571171, 3815701, 4713513, 11447103, 26709907, 80129721]

約数ペア:

[(1, 80129721), (3, 26709907), (7, 11447103), (17, 4713513), (21, 3815701), (51, 1571171), (119, 673359), (357, 224453), (389, 205989), (577, 138873), (1167, 68663), (1731, 46291), (2723, 29427), (4039, 19839), (6613, 12117), (8169, 9809)]