1321567247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1320247}}^1$

素因数の和:1320278

約数の個数: 16

約数和(自身を含む): 1774413312

約数和(自身を除く): 452846065

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 1320247, 9241729, 14522717, 17163211, 101659019, 120142477, 188795321, 1321567247]

約数ペア:

[(1, 1321567247), (7, 188795321), (11, 120142477), (13, 101659019), (77, 17163211), (91, 14522717), (143, 9241729), (1001, 1320247)]