1157247

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 2141216

約数和(自身を除く): 983969

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 157, 189, 273, 351, 471, 567, 819, 1053, 1099, 1413, 2041, 2457, 3297, 4239, 6123, 7371, 9891, 12717, 14287, 18369, 29673, 42861, 55107, 89019, 128583, 165321, 385749, 1157247]

約数ペア:

[(1, 1157247), (3, 385749), (7, 165321), (9, 128583), (13, 89019), (21, 55107), (27, 42861), (39, 29673), (63, 18369), (81, 14287), (91, 12717), (117, 9891), (157, 7371), (189, 6123), (273, 4239), (351, 3297), (471, 2457), (567, 2041), (819, 1413), (1053, 1099)]