66977421

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 104552448

約数和(自身を除く): 37575027

約数列:

[1, 3, 7, 21, 67, 181, 201, 263, 469, 543, 789, 1267, 1407, 1841, 3801, 5523, 12127, 17621, 36381, 47603, 52863, 84889, 123347, 142809, 254667, 333221, 370041, 999663, 3189401, 9568203, 22325807, 66977421]

約数ペア:

[(1, 66977421), (3, 22325807), (7, 9568203), (21, 3189401), (67, 999663), (181, 370041), (201, 333221), (263, 254667), (469, 142809), (543, 123347), (789, 84889), (1267, 52863), (1407, 47603), (1841, 36381), (3801, 17621), (5523, 12127)]