17870517

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4111}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 31580160

約数和(自身を除く): 13709643

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4111, 4347, 12333, 28777, 36999, 86331, 94553, 110997, 258993, 283659, 661871, 776979, 850977, 1985613, 2552931, 5956839, 17870517]

約数ペア:

[(1, 17870517), (3, 5956839), (7, 2552931), (9, 1985613), (21, 850977), (23, 776979), (27, 661871), (63, 283659), (69, 258993), (161, 110997), (189, 94553), (207, 86331), (483, 36999), (621, 28777), (1449, 12333), (4111, 4347)]