1561105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 2386944

約数和(自身を除く): 825839

約数列:

[1, 5, 7, 13, 35, 47, 65, 73, 91, 235, 329, 365, 455, 511, 611, 949, 1645, 2555, 3055, 3431, 4277, 4745, 6643, 17155, 21385, 24017, 33215, 44603, 120085, 223015, 312221, 1561105]

約数ペア:

[(1, 1561105), (5, 312221), (7, 223015), (13, 120085), (35, 44603), (47, 33215), (65, 24017), (73, 21385), (91, 17155), (235, 6643), (329, 4745), (365, 4277), (455, 3431), (511, 3055), (611, 2555), (949, 1645)]