15591171

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 23113728

約数和(自身を除く): 7522557

約数列:

[1, 3, 23, 31, 37, 69, 93, 111, 197, 591, 713, 851, 1147, 2139, 2553, 3441, 4531, 6107, 7289, 13593, 18321, 21867, 26381, 79143, 140461, 167647, 225959, 421383, 502941, 677877, 5197057, 15591171]

約数ペア:

[(1, 15591171), (3, 5197057), (23, 677877), (31, 502941), (37, 421383), (69, 225959), (93, 167647), (111, 140461), (197, 79143), (591, 26381), (713, 21867), (851, 18321), (1147, 13593), (2139, 7289), (2553, 6107), (3441, 4531)]