11240415

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 20605728

約数和(自身を除く): 9365313

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 157, 185, 215, 333, 387, 471, 555, 645, 785, 1413, 1591, 1665, 1935, 2355, 4773, 5809, 6751, 7065, 7955, 14319, 17427, 20253, 23865, 29045, 33755, 52281, 60759, 71595, 87135, 101265, 249787, 261405, 303795, 749361, 1248935, 2248083, 3746805, 11240415]

約数ペア:

[(1, 11240415), (3, 3746805), (5, 2248083), (9, 1248935), (15, 749361), (37, 303795), (43, 261405), (45, 249787), (111, 101265), (129, 87135), (157, 71595), (185, 60759), (215, 52281), (333, 33755), (387, 29045), (471, 23865), (555, 20253), (645, 17427), (785, 14319), (1413, 7955), (1591, 7065), (1665, 6751), (1935, 5809), (2355, 4773)]