18121473

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1427}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 28068768

約数和(自身を除く): 9947295

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 1427, 4233, 4281, 12699, 12843, 24259, 72777, 118441, 218331, 355323, 1065969, 2013497, 6040491, 18121473]

約数ペア:

[(1, 18121473), (3, 6040491), (9, 2013497), (17, 1065969), (51, 355323), (83, 218331), (153, 118441), (249, 72777), (747, 24259), (1411, 12843), (1427, 12699), (4233, 4281)]