730405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 1000944

約数和(自身を除く): 270539

約数列:

[1, 5, 13, 17, 65, 85, 221, 661, 1105, 3305, 8593, 11237, 42965, 56185, 146081, 730405]

約数ペア:

[(1, 730405), (5, 146081), (13, 56185), (17, 42965), (65, 11237), (85, 8593), (221, 3305), (661, 1105)]