2097405

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 3674112

約数和(自身を除く): 1576707

約数列:

[1, 3, 5, 9, 15, 45, 127, 367, 381, 635, 1101, 1143, 1835, 1905, 3303, 5505, 5715, 16515, 46609, 139827, 233045, 419481, 699135, 2097405]

約数ペア:

[(1, 2097405), (3, 699135), (5, 419481), (9, 233045), (15, 139827), (45, 46609), (127, 16515), (367, 5715), (381, 5505), (635, 3303), (1101, 1905), (1143, 1835)]