1245105

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 2315520

約数和(自身を除く): 1070415

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 401, 621, 1035, 1203, 2005, 3105, 3609, 6015, 9223, 10827, 18045, 27669, 46115, 54135, 83007, 138345, 249021, 415035, 1245105]

約数ペア:

[(1, 1245105), (3, 415035), (5, 249021), (9, 138345), (15, 83007), (23, 54135), (27, 46115), (45, 27669), (69, 18045), (115, 10827), (135, 9223), (207, 6015), (345, 3609), (401, 3105), (621, 2005), (1035, 1203)]