17165421

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20985

約数の個数: 24

約数和(自身を含む): 30517760

約数和(自身を除く): 13352339

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 20959, 62877, 146713, 188631, 272467, 440139, 817401, 1320417, 1907269, 2452203, 5721807, 17165421]

約数ペア:

[(1, 17165421), (3, 5721807), (7, 2452203), (9, 1907269), (13, 1320417), (21, 817401), (39, 440139), (63, 272467), (91, 188631), (117, 146713), (273, 62877), (819, 20959)]