28738971

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 43290000

約数和(自身を除く): 14551029

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 739, 1341, 2217, 4321, 6651, 12963, 21431, 38889, 64293, 110111, 192879, 330333, 990999, 3193219, 9579657, 28738971]

約数ペア:

[(1, 28738971), (3, 9579657), (9, 3193219), (29, 990999), (87, 330333), (149, 192879), (261, 110111), (447, 64293), (739, 38889), (1341, 21431), (2217, 12963), (4321, 6651)]