280372287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 415528960

約数和(自身を除く): 135156673

約数列:

[1, 3, 13, 39, 61, 67, 183, 201, 793, 871, 1759, 2379, 2613, 4087, 5277, 12261, 22867, 53131, 68601, 107299, 117853, 159393, 321897, 353559, 1394887, 1532089, 4184661, 4596267, 7189033, 21567099, 93457429, 280372287]

約数ペア:

[(1, 280372287), (3, 93457429), (13, 21567099), (39, 7189033), (61, 4596267), (67, 4184661), (183, 1532089), (201, 1394887), (793, 353559), (871, 321897), (1759, 159393), (2379, 117853), (2613, 107299), (4087, 68601), (5277, 53131), (12261, 22867)]