15503943

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 27776000

約数和(自身を除く): 12272057

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 61, 91, 133, 147, 183, 247, 273, 343, 399, 427, 637, 741, 793, 931, 1029, 1159, 1281, 1729, 1911, 2379, 2793, 2989, 3477, 4459, 5187, 5551, 6517, 8113, 8967, 12103, 13377, 15067, 16653, 19551, 20923, 24339, 36309, 38857, 45201, 56791, 62769, 84721, 105469, 116571, 170373, 254163, 271999, 316407, 397537, 738283, 815997, 1192611, 2214849, 5167981, 15503943]

約数ペア:

[(1, 15503943), (3, 5167981), (7, 2214849), (13, 1192611), (19, 815997), (21, 738283), (39, 397537), (49, 316407), (57, 271999), (61, 254163), (91, 170373), (133, 116571), (147, 105469), (183, 84721), (247, 62769), (273, 56791), (343, 45201), (399, 38857), (427, 36309), (637, 24339), (741, 20923), (793, 19551), (931, 16653), (1029, 15067), (1159, 13377), (1281, 12103), (1729, 8967), (1911, 8113), (2379, 6517), (2793, 5551), (2989, 5187), (3477, 4459)]