2013321807

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{211639}}^1$

素因数の和:211803

約数の個数: 24

約数和(自身を含む): 3345605120

約数和(自身を除く): 1332283313

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3171, 9513, 211639, 634917, 1481473, 1904751, 4444419, 13333257, 31957489, 95872467, 223702423, 287617401, 671107269, 2013321807]

約数ペア:

[(1, 2013321807), (3, 671107269), (7, 287617401), (9, 223702423), (21, 95872467), (63, 31957489), (151, 13333257), (453, 4444419), (1057, 1904751), (1359, 1481473), (3171, 634917), (9513, 211639)]