16987971

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5657}}^1$

素因数の和:5691

約数の個数: 32

約数和(自身を含む): 30417408

約数和(自身を除く): 13429437

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 5657, 16971, 39599, 62227, 73541, 118797, 186681, 220623, 435589, 514787, 808951, 1306767, 1544361, 2426853, 5662657, 16987971]

約数ペア:

[(1, 16987971), (3, 5662657), (7, 2426853), (11, 1544361), (13, 1306767), (21, 808951), (33, 514787), (39, 435589), (77, 220623), (91, 186681), (143, 118797), (231, 73541), (273, 62227), (429, 39599), (1001, 16971), (3003, 5657)]