27621738

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 61940736

約数和(自身を除く): 34318998

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 254, 258, 281, 381, 387, 562, 762, 774, 843, 1143, 1686, 2286, 2529, 5058, 5461, 10922, 12083, 16383, 24166, 32766, 35687, 36249, 49149, 71374, 72498, 98298, 107061, 108747, 214122, 217494, 321183, 642366, 1534541, 3069082, 4603623, 9207246, 13810869, 27621738]

約数ペア:

[(1, 27621738), (2, 13810869), (3, 9207246), (6, 4603623), (9, 3069082), (18, 1534541), (43, 642366), (86, 321183), (127, 217494), (129, 214122), (254, 108747), (258, 107061), (281, 98298), (381, 72498), (387, 71374), (562, 49149), (762, 36249), (774, 35687), (843, 32766), (1143, 24166), (1686, 16383), (2286, 12083), (2529, 10922), (5058, 5461)]