31258259721

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1\times {\mathrm{523}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 50809429440

約数和(自身を除く): 19551169719

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 211, 269, 351, 523, 633, 807, 1053, 1569, 1899, 2421, 2743, 3497, 4707, 5697, 6799, 7263, 8229, 10491, 14121, 17091, 20397, 21789, 24687, 31473, 42363, 56759, 61191, 74061, 94419, 110353, 140687, 170277, 183573, 222183, 283257, 331059, 422061, 510831, 550719, 737867, 993177, 1266183, 1434589, 1532493, 1828931, 2213601, 2979531, 3798549, 4303767, 4597479, 5486793, 6640803, 8938593, 11395647, 12911301, 16460379, 19922409, 29684957, 38733903, 49381137, 59767227, 89054871, 116201709, 148143411, 267164613, 385904441, 801493839, 1157713323, 2404481517, 3473139969, 10419419907, 31258259721]

約数ペア:

[(1, 31258259721), (3, 10419419907), (9, 3473139969), (13, 2404481517), (27, 1157713323), (39, 801493839), (81, 385904441), (117, 267164613), (211, 148143411), (269, 116201709), (351, 89054871), (523, 59767227), (633, 49381137), (807, 38733903), (1053, 29684957), (1569, 19922409), (1899, 16460379), (2421, 12911301), (2743, 11395647), (3497, 8938593), (4707, 6640803), (5697, 5486793), (6799, 4597479), (7263, 4303767), (8229, 3798549), (10491, 2979531), (14121, 2213601), (17091, 1828931), (20397, 1532493), (21789, 1434589), (24687, 1266183), (31473, 993177), (42363, 737867), (56759, 550719), (61191, 510831), (74061, 422061), (94419, 331059), (110353, 283257), (140687, 222183), (170277, 183573)]