27771156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 80784704

約数和(自身を除く): 53013548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 193, 252, 386, 571, 579, 772, 1142, 1158, 1351, 1713, 1737, 2284, 2316, 2702, 3426, 3474, 3997, 4053, 5139, 5404, 6852, 6948, 7994, 8106, 10278, 11991, 12159, 15988, 16212, 20556, 23982, 24318, 35973, 47964, 48636, 71946, 110203, 143892, 220406, 330609, 440812, 661218, 771421, 991827, 1322436, 1542842, 1983654, 2314263, 3085684, 3967308, 4628526, 6942789, 9257052, 13885578, 27771156]

約数ペア:

[(1, 27771156), (2, 13885578), (3, 9257052), (4, 6942789), (6, 4628526), (7, 3967308), (9, 3085684), (12, 2314263), (14, 1983654), (18, 1542842), (21, 1322436), (28, 991827), (36, 771421), (42, 661218), (63, 440812), (84, 330609), (126, 220406), (193, 143892), (252, 110203), (386, 71946), (571, 48636), (579, 47964), (772, 35973), (1142, 24318), (1158, 23982), (1351, 20556), (1713, 16212), (1737, 15988), (2284, 12159), (2316, 11991), (2702, 10278), (3426, 8106), (3474, 7994), (3997, 6948), (4053, 6852), (5139, 5404)]