9989875

素因数分解:

$5^3\times 7^3\times {\mathrm{233}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 14601600

約数和(自身を除く): 4611725

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 233, 245, 343, 875, 1165, 1225, 1631, 1715, 5825, 6125, 8155, 8575, 11417, 29125, 40775, 42875, 57085, 79919, 203875, 285425, 399595, 1427125, 1997975, 9989875]

約数ペア:

[(1, 9989875), (5, 1997975), (7, 1427125), (25, 399595), (35, 285425), (49, 203875), (125, 79919), (175, 57085), (233, 42875), (245, 40775), (343, 29125), (875, 11417), (1165, 8575), (1225, 8155), (1631, 6125), (1715, 5825)]