1272425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 1970112

約数和(自身を除く): 697687

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 661, 1925, 3305, 4627, 7271, 16525, 23135, 36355, 50897, 115675, 181775, 254485, 1272425]

約数ペア:

[(1, 1272425), (5, 254485), (7, 181775), (11, 115675), (25, 50897), (35, 36355), (55, 23135), (77, 16525), (175, 7271), (275, 4627), (385, 3305), (661, 1925)]