30947985

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9421}}^1$

素因数の和:9505

約数の個数: 24

約数和(自身を含む): 54383784

約数和(自身を除く): 23435799

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 9421, 28263, 47105, 84789, 141315, 423945, 687733, 2063199, 3438665, 6189597, 10315995, 30947985]

約数ペア:

[(1, 30947985), (3, 10315995), (5, 6189597), (9, 3438665), (15, 2063199), (45, 687733), (73, 423945), (219, 141315), (365, 84789), (657, 47105), (1095, 28263), (3285, 9421)]