27989367

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 44900352

約数和(自身を除く): 16910985

約数列:

[1, 3, 7, 21, 23, 69, 161, 167, 347, 483, 501, 1041, 1169, 2429, 3507, 3841, 7287, 7981, 11523, 23943, 26887, 55867, 57949, 80661, 167601, 173847, 405643, 1216929, 1332827, 3998481, 9329789, 27989367]

約数ペア:

[(1, 27989367), (3, 9329789), (7, 3998481), (21, 1332827), (23, 1216929), (69, 405643), (161, 173847), (167, 167601), (347, 80661), (483, 57949), (501, 55867), (1041, 26887), (1169, 23943), (2429, 11523), (3507, 7981), (3841, 7287)]