81131790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2704393}}^1$

素因数の和:2704403

約数の個数: 16

約数和(自身を含む): 194716368

約数和(自身を除く): 113584578

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2704393, 5408786, 8113179, 13521965, 16226358, 27043930, 40565895, 81131790]

約数ペア:

[(1, 81131790), (2, 40565895), (3, 27043930), (5, 16226358), (6, 13521965), (10, 8113179), (15, 5408786), (30, 2704393)]