128840922

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340849}}^1$

素因数の和:340867

約数の個数: 32

約数和(自身を含む): 327216000

約数和(自身を除く): 198375078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340849, 681698, 1022547, 2045094, 2385943, 3067641, 4771886, 6135282, 7157829, 9202923, 14315658, 18405846, 21473487, 42946974, 64420461, 128840922]

約数ペア:

[(1, 128840922), (2, 64420461), (3, 42946974), (6, 21473487), (7, 18405846), (9, 14315658), (14, 9202923), (18, 7157829), (21, 6135282), (27, 4771886), (42, 3067641), (54, 2385943), (63, 2045094), (126, 1022547), (189, 681698), (378, 340849)]