12905415

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 24043968

約数和(自身を除く): 11138553

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 337, 345, 555, 851, 1011, 1035, 1665, 1685, 2553, 3033, 4255, 5055, 7659, 7751, 12469, 12765, 15165, 23253, 37407, 38295, 38755, 62345, 69759, 112221, 116265, 187035, 286787, 348795, 561105, 860361, 1433935, 2581083, 4301805, 12905415]

約数ペア:

[(1, 12905415), (3, 4301805), (5, 2581083), (9, 1433935), (15, 860361), (23, 561105), (37, 348795), (45, 286787), (69, 187035), (111, 116265), (115, 112221), (185, 69759), (207, 62345), (333, 38755), (337, 38295), (345, 37407), (555, 23253), (851, 15165), (1011, 12765), (1035, 12469), (1665, 7751), (1685, 7659), (2553, 5055), (3033, 4255)]