31580703

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 57408000

約数和(自身を除く): 25827297

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 199, 229, 231, 597, 687, 693, 1393, 1603, 1791, 2061, 2189, 2519, 4179, 4809, 6567, 7557, 12537, 14427, 15323, 17633, 19701, 22671, 45571, 45969, 52899, 136713, 137907, 158697, 318997, 410139, 501281, 956991, 1503843, 2870973, 3508967, 4511529, 10526901, 31580703]

約数ペア:

[(1, 31580703), (3, 10526901), (7, 4511529), (9, 3508967), (11, 2870973), (21, 1503843), (33, 956991), (63, 501281), (77, 410139), (99, 318997), (199, 158697), (229, 137907), (231, 136713), (597, 52899), (687, 45969), (693, 45571), (1393, 22671), (1603, 19701), (1791, 17633), (2061, 15323), (2189, 14427), (2519, 12537), (4179, 7557), (4809, 6567)]