17984619

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{21487}}^1$

素因数の和:21527

約数の個数: 16

約数和(自身を含む): 27504640

約数和(自身を除く): 9520021

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 21487, 64461, 193383, 580149, 666097, 1998291, 5994873, 17984619]

約数ペア:

[(1, 17984619), (3, 5994873), (9, 1998291), (27, 666097), (31, 580149), (93, 193383), (279, 64461), (837, 21487)]