49864005

素因数分解:

$3^4\times 5^1\times {\mathrm{123121}}^1$

素因数の和:123138

約数の個数: 20

約数和(自身を含む): 89386572

約数和(自身を除く): 39522567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 123121, 369363, 615605, 1108089, 1846815, 3324267, 5540445, 9972801, 16621335, 49864005]

約数ペア:

[(1, 49864005), (3, 16621335), (5, 9972801), (9, 5540445), (15, 3324267), (27, 1846815), (45, 1108089), (81, 615605), (135, 369363), (405, 123121)]