668054751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{56909}}^1$

素因数の和:56975

約数の個数: 32

約数和(自身を含む): 1121809920

約数和(自身を除く): 453755169

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 56909, 170727, 398363, 739817, 1195089, 2219451, 2447087, 5178719, 7341261, 15536157, 17129609, 31812131, 51388827, 95436393, 222684917, 668054751]

約数ペア:

[(1, 668054751), (3, 222684917), (7, 95436393), (13, 51388827), (21, 31812131), (39, 17129609), (43, 15536157), (91, 7341261), (129, 5178719), (273, 2447087), (301, 2219451), (559, 1195089), (903, 739817), (1677, 398363), (3913, 170727), (11739, 56909)]