3981906

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 9316800

約数和(自身を除く): 5334894

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 3881, 7762, 11643, 23286, 34929, 69858, 73739, 104787, 147478, 209574, 221217, 442434, 663651, 1327302, 1990953, 3981906]

約数ペア:

[(1, 3981906), (2, 1990953), (3, 1327302), (6, 663651), (9, 442434), (18, 221217), (19, 209574), (27, 147478), (38, 104787), (54, 73739), (57, 69858), (114, 34929), (171, 23286), (342, 11643), (513, 7762), (1026, 3881)]