2177847

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 3902976

約数和(自身を除く): 1725129

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 167, 189, 207, 483, 501, 567, 621, 1169, 1449, 1503, 1863, 3507, 3841, 4347, 4509, 10521, 11523, 13041, 13527, 26887, 31563, 34569, 80661, 94689, 103707, 241983, 311121, 725949, 2177847]

約数ペア:

[(1, 2177847), (3, 725949), (7, 311121), (9, 241983), (21, 103707), (23, 94689), (27, 80661), (63, 34569), (69, 31563), (81, 26887), (161, 13527), (167, 13041), (189, 11523), (207, 10521), (483, 4509), (501, 4347), (567, 3841), (621, 3507), (1169, 1863), (1449, 1503)]