19867221

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 12527019

約数列:

[1, 3, 9, 11, 27, 33, 99, 151, 297, 443, 453, 1329, 1359, 1661, 3987, 4077, 4873, 4983, 11961, 14619, 14949, 43857, 44847, 66893, 131571, 200679, 602037, 735823, 1806111, 2207469, 6622407, 19867221]

約数ペア:

[(1, 19867221), (3, 6622407), (9, 2207469), (11, 1806111), (27, 735823), (33, 602037), (99, 200679), (151, 131571), (297, 66893), (443, 44847), (453, 43857), (1329, 14949), (1359, 14619), (1661, 11961), (3987, 4983), (4077, 4873)]