128871315

素因数分解:

$3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{10889}}^1$

素因数の和:11163

約数の個数: 24

約数和(自身を含む): 224246880

約数和(自身を除く): 95375565

約数列:

[1, 3, 5, 9, 15, 45, 263, 789, 1315, 2367, 3945, 10889, 11835, 32667, 54445, 98001, 163335, 490005, 2863807, 8591421, 14319035, 25774263, 42957105, 128871315]

約数ペア:

[(1, 128871315), (3, 42957105), (5, 25774263), (9, 14319035), (15, 8591421), (45, 2863807), (263, 490005), (789, 163335), (1315, 98001), (2367, 54445), (3945, 32667), (10889, 11835)]