2187948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^2$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 6037668

約数和(自身を除く): 3849720

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2562, 2989, 3721, 5124, 5978, 7442, 8967, 11163, 11956, 14884, 17934, 22326, 26047, 35868, 44652, 52094, 78141, 104188, 156282, 182329, 312564, 364658, 546987, 729316, 1093974, 2187948]

約数ペア:

[(1, 2187948), (2, 1093974), (3, 729316), (4, 546987), (6, 364658), (7, 312564), (12, 182329), (14, 156282), (21, 104188), (28, 78141), (42, 52094), (49, 44652), (61, 35868), (84, 26047), (98, 22326), (122, 17934), (147, 14884), (183, 11956), (196, 11163), (244, 8967), (294, 7442), (366, 5978), (427, 5124), (588, 3721), (732, 2989), (854, 2562), (1281, 1708)]