81890010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{909889}}^1$

素因数の和:909902

約数の個数: 24

約数和(自身を含む): 212914260

約数和(自身を除く): 131024250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 909889, 1819778, 2729667, 4549445, 5459334, 8189001, 9098890, 13648335, 16378002, 27296670, 40945005, 81890010]

約数ペア:

[(1, 81890010), (2, 40945005), (3, 27296670), (5, 16378002), (6, 13648335), (9, 9098890), (10, 8189001), (15, 5459334), (18, 4549445), (30, 2729667), (45, 1819778), (90, 909889)]