38818143

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 75203520

約数和(自身を除く): 36385377

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 49, 61, 63, 91, 111, 117, 147, 183, 189, 259, 273, 333, 351, 427, 441, 481, 549, 637, 777, 793, 819, 999, 1281, 1323, 1443, 1647, 1813, 1911, 2257, 2331, 2379, 2457, 2989, 3367, 3843, 4329, 5439, 5551, 5733, 6771, 6993, 7137, 8967, 10101, 11529, 12987, 15799, 16317, 16653, 17199, 20313, 21411, 23569, 26901, 29341, 30303, 38857, 47397, 48951, 49959, 60939, 70707, 80703, 88023, 90909, 110593, 116571, 142191, 149877, 205387, 212121, 264069, 331779, 349713, 426573, 616161, 636363, 792207, 995337, 1049139, 1437709, 1848483, 2986011, 4313127, 5545449, 12939381, 38818143]

約数ペア:

[(1, 38818143), (3, 12939381), (7, 5545449), (9, 4313127), (13, 2986011), (21, 1848483), (27, 1437709), (37, 1049139), (39, 995337), (49, 792207), (61, 636363), (63, 616161), (91, 426573), (111, 349713), (117, 331779), (147, 264069), (183, 212121), (189, 205387), (259, 149877), (273, 142191), (333, 116571), (351, 110593), (427, 90909), (441, 88023), (481, 80703), (549, 70707), (637, 60939), (777, 49959), (793, 48951), (819, 47397), (999, 38857), (1281, 30303), (1323, 29341), (1443, 26901), (1647, 23569), (1813, 21411), (1911, 20313), (2257, 17199), (2331, 16653), (2379, 16317), (2457, 15799), (2989, 12987), (3367, 11529), (3843, 10101), (4329, 8967), (5439, 7137), (5551, 6993), (5733, 6771)]