2686221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 4173624

約数和(自身を除く): 1487403

約数列:

[1, 3, 9, 17, 51, 97, 153, 181, 291, 543, 873, 1629, 1649, 3077, 4947, 9231, 14841, 17557, 27693, 52671, 158013, 298469, 895407, 2686221]

約数ペア:

[(1, 2686221), (3, 895407), (9, 298469), (17, 158013), (51, 52671), (97, 27693), (153, 17557), (181, 14841), (291, 9231), (543, 4947), (873, 3077), (1629, 1649)]