31304889

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 56908800

約数和(自身を除く): 25603911

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 199, 227, 231, 597, 681, 693, 1393, 1589, 1791, 2043, 2189, 2497, 4179, 4767, 6567, 7491, 12537, 14301, 15323, 17479, 19701, 22473, 45173, 45969, 52437, 135519, 137907, 157311, 316211, 406557, 496903, 948633, 1490709, 2845899, 3478321, 4472127, 10434963, 31304889]

約数ペア:

[(1, 31304889), (3, 10434963), (7, 4472127), (9, 3478321), (11, 2845899), (21, 1490709), (33, 948633), (63, 496903), (77, 406557), (99, 316211), (199, 157311), (227, 137907), (231, 135519), (597, 52437), (681, 45969), (693, 45173), (1393, 22473), (1589, 19701), (1791, 17479), (2043, 15323), (2189, 14301), (2497, 12537), (4179, 7491), (4767, 6567)]