11969503

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4294

約数の個数: 16

約数和(自身を含む): 15210496

約数和(自身を除く): 3240993

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 4243, 29701, 55159, 131533, 386113, 920731, 1709929, 11969503]

約数ペア:

[(1, 11969503), (7, 1709929), (13, 920731), (31, 386113), (91, 131533), (217, 55159), (403, 29701), (2821, 4243)]