165519939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 252673344

約数和(自身を除く): 87153405

約数列:

[1, 3, 13, 17, 39, 51, 221, 421, 593, 663, 1263, 1779, 5473, 7157, 7709, 10081, 16419, 21471, 23127, 30243, 93041, 131053, 249653, 279123, 393159, 748959, 3245489, 4244101, 9736467, 12732303, 55173313, 165519939]

約数ペア:

[(1, 165519939), (3, 55173313), (13, 12732303), (17, 9736467), (39, 4244101), (51, 3245489), (221, 748959), (421, 393159), (593, 279123), (663, 249653), (1263, 131053), (1779, 93041), (5473, 30243), (7157, 23127), (7709, 21471), (10081, 16419)]