12978927

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 20966400

約数和(自身を除く): 7987473

約数列:

[1, 3, 9, 13, 27, 39, 103, 117, 309, 351, 359, 927, 1077, 1339, 2781, 3231, 4017, 4667, 9693, 12051, 14001, 36153, 36977, 42003, 110931, 126009, 332793, 480701, 998379, 1442103, 4326309, 12978927]

約数ペア:

[(1, 12978927), (3, 4326309), (9, 1442103), (13, 998379), (27, 480701), (39, 332793), (103, 126009), (117, 110931), (309, 42003), (351, 36977), (359, 36153), (927, 14001), (1077, 12051), (1339, 9693), (2781, 4667), (3231, 4017)]