7218180879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{20323}}^1$

素因数の和:21647

約数の個数: 32

約数和(自身を含む): 11854907904

約数和(自身を除く): 4636727025

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1301, 3903, 9107, 16913, 20323, 27321, 50739, 60969, 118391, 142261, 264199, 355173, 426783, 792597, 1849393, 5548179, 26440223, 79320669, 185081561, 343722899, 555244683, 1031168697, 2406060293, 7218180879]

約数ペア:

[(1, 7218180879), (3, 2406060293), (7, 1031168697), (13, 555244683), (21, 343722899), (39, 185081561), (91, 79320669), (273, 26440223), (1301, 5548179), (3903, 1849393), (9107, 792597), (16913, 426783), (20323, 355173), (27321, 264199), (50739, 142261), (60969, 118391)]