661089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 32

約数和(自身を含む): 1096704

約数和(自身を除く): 435615

約数列:

[1, 3, 11, 13, 23, 33, 39, 67, 69, 143, 201, 253, 299, 429, 737, 759, 871, 897, 1541, 2211, 2613, 3289, 4623, 9581, 9867, 16951, 20033, 28743, 50853, 60099, 220363, 661089]

約数ペア:

[(1, 661089), (3, 220363), (11, 60099), (13, 50853), (23, 28743), (33, 20033), (39, 16951), (67, 9867), (69, 9581), (143, 4623), (201, 3289), (253, 2613), (299, 2211), (429, 1541), (737, 897), (759, 871)]