128072445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{787}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 216353280

約数和(自身を除く): 88280835

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 571, 787, 1713, 2361, 2855, 3935, 8565, 10849, 11805, 14953, 32547, 44859, 54245, 74765, 162735, 224295, 449377, 1348131, 2246885, 6740655, 8538163, 25614489, 42690815, 128072445]

約数ペア:

[(1, 128072445), (3, 42690815), (5, 25614489), (15, 8538163), (19, 6740655), (57, 2246885), (95, 1348131), (285, 449377), (571, 224295), (787, 162735), (1713, 74765), (2361, 54245), (2855, 44859), (3935, 32547), (8565, 14953), (10849, 11805)]