1899804537

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{155327}}^1$

素因数の和:155490

約数の個数: 20

約数和(自身を含む): 2856792576

約数和(自身を除く): 956988039

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 155327, 465981, 1397943, 4193829, 12581487, 23454377, 70363131, 211089393, 633268179, 1899804537]

約数ペア:

[(1, 1899804537), (3, 633268179), (9, 211089393), (27, 70363131), (81, 23454377), (151, 12581487), (453, 4193829), (1359, 1397943), (4077, 465981), (12231, 155327)]