13890681

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7603}}^1$

素因数の和:7645

約数の個数: 24

約数和(自身を含む): 23724480

約数和(自身を除く): 9833799

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 7603, 22809, 53221, 68427, 159663, 220487, 478989, 661461, 1543409, 1984383, 4630227, 13890681]

約数ペア:

[(1, 13890681), (3, 4630227), (7, 1984383), (9, 1543409), (21, 661461), (29, 478989), (63, 220487), (87, 159663), (203, 68427), (261, 53221), (609, 22809), (1827, 7603)]