18180129

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 27757440

約数和(自身を除く): 9577311

約数列:

[1, 3, 11, 29, 33, 87, 121, 157, 319, 363, 471, 957, 1331, 1727, 3509, 3993, 4553, 5181, 10527, 13659, 18997, 38599, 50083, 56991, 115797, 150249, 208967, 550913, 626901, 1652739, 6060043, 18180129]

約数ペア:

[(1, 18180129), (3, 6060043), (11, 1652739), (29, 626901), (33, 550913), (87, 208967), (121, 150249), (157, 115797), (319, 56991), (363, 50083), (471, 38599), (957, 18997), (1331, 13659), (1727, 10527), (3509, 5181), (3993, 4553)]