28140195

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23747}}^1$

素因数の和:23834

約数の個数: 16

約数和(自身を含む): 45596160

約数和(自身を除く): 17455965

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 23747, 71241, 118735, 356205, 1876013, 5628039, 9380065, 28140195]

約数ペア:

[(1, 28140195), (3, 9380065), (5, 5628039), (15, 1876013), (79, 356205), (237, 118735), (395, 71241), (1185, 23747)]