81731118

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2699}}^1$

素因数の和:2821

約数の個数: 48

約数和(自身を含む): 192067200

約数和(自身を除く): 110336082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 618, 721, 1442, 2163, 2699, 4326, 5047, 5398, 8097, 10094, 15141, 16194, 18893, 30282, 37786, 56679, 113358, 132251, 264502, 277997, 396753, 555994, 793506, 833991, 1667982, 1945979, 3891958, 5837937, 11675874, 13621853, 27243706, 40865559, 81731118]

約数ペア:

[(1, 81731118), (2, 40865559), (3, 27243706), (6, 13621853), (7, 11675874), (14, 5837937), (21, 3891958), (42, 1945979), (49, 1667982), (98, 833991), (103, 793506), (147, 555994), (206, 396753), (294, 277997), (309, 264502), (618, 132251), (721, 113358), (1442, 56679), (2163, 37786), (2699, 30282), (4326, 18893), (5047, 16194), (5398, 15141), (8097, 10094)]