291222921

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{7789}}^1$

素因数の和:7917

約数の個数: 24

約数和(自身を含む): 431005120

約数和(自身を除く): 139782199

約数列:

[1, 3, 11, 33, 103, 121, 309, 363, 1133, 3399, 7789, 12463, 23367, 37389, 85679, 257037, 802267, 942469, 2406801, 2827407, 8824937, 26474811, 97074307, 291222921]

約数ペア:

[(1, 291222921), (3, 97074307), (11, 26474811), (33, 8824937), (103, 2827407), (121, 2406801), (309, 942469), (363, 802267), (1133, 257037), (3399, 85679), (7789, 37389), (12463, 23367)]