39788931

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 68027904

約数和(自身を除く): 28238973

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 443, 611, 637, 987, 1329, 1833, 1911, 2303, 3101, 4277, 5759, 6909, 9303, 12831, 17277, 20821, 21707, 29939, 40313, 62463, 65121, 89817, 120939, 145747, 270673, 282191, 437241, 812019, 846573, 1020229, 1894711, 3060687, 5684133, 13262977, 39788931]

約数ペア:

[(1, 39788931), (3, 13262977), (7, 5684133), (13, 3060687), (21, 1894711), (39, 1020229), (47, 846573), (49, 812019), (91, 437241), (141, 282191), (147, 270673), (273, 145747), (329, 120939), (443, 89817), (611, 65121), (637, 62463), (987, 40313), (1329, 29939), (1833, 21707), (1911, 20821), (2303, 17277), (3101, 12831), (4277, 9303), (5759, 6909)]