17189739

素因数分解:

$3^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 30788208

約数和(自身を除く): 13598469

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 71, 81, 147, 183, 189, 213, 427, 441, 497, 549, 567, 639, 1281, 1323, 1491, 1647, 1917, 2989, 3479, 3843, 3969, 4331, 4473, 4941, 5751, 8967, 10437, 11529, 12993, 13419, 26901, 30317, 31311, 34587, 38979, 40257, 80703, 90951, 93933, 116937, 212219, 242109, 272853, 281799, 350811, 636657, 818559, 1909971, 2455677, 5729913, 17189739]

約数ペア:

[(1, 17189739), (3, 5729913), (7, 2455677), (9, 1909971), (21, 818559), (27, 636657), (49, 350811), (61, 281799), (63, 272853), (71, 242109), (81, 212219), (147, 116937), (183, 93933), (189, 90951), (213, 80703), (427, 40257), (441, 38979), (497, 34587), (549, 31311), (567, 30317), (639, 26901), (1281, 13419), (1323, 12993), (1491, 11529), (1647, 10437), (1917, 8967), (2989, 5751), (3479, 4941), (3843, 4473), (3969, 4331)]