1438893

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 2223000

約数和(自身を除く): 784107

約数列:

[1, 3, 9, 29, 37, 87, 111, 149, 261, 333, 447, 1073, 1341, 3219, 4321, 5513, 9657, 12963, 16539, 38889, 49617, 159877, 479631, 1438893]

約数ペア:

[(1, 1438893), (3, 479631), (9, 159877), (29, 49617), (37, 38889), (87, 16539), (111, 12963), (149, 9657), (261, 5513), (333, 4321), (447, 3219), (1073, 1341)]