16217019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19827

約数の個数: 24

約数和(自身を含む): 28831712

約数和(自身を除く): 12614693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19801, 59403, 138607, 178209, 257413, 415821, 772239, 1247463, 1801891, 2316717, 5405673, 16217019]

約数ペア:

[(1, 16217019), (3, 5405673), (7, 2316717), (9, 1801891), (13, 1247463), (21, 772239), (39, 415821), (63, 257413), (91, 178209), (117, 138607), (273, 59403), (819, 19801)]