155779953

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 245539584

約数和(自身を除く): 89759631

約数列:

[1, 3, 7, 21, 37, 111, 157, 259, 471, 777, 1099, 1277, 3297, 3831, 5809, 8939, 17427, 26817, 40663, 47249, 121989, 141747, 200489, 330743, 601467, 992229, 1403423, 4210269, 7418093, 22254279, 51926651, 155779953]

約数ペア:

[(1, 155779953), (3, 51926651), (7, 22254279), (21, 7418093), (37, 4210269), (111, 1403423), (157, 992229), (259, 601467), (471, 330743), (777, 200489), (1099, 141747), (1277, 121989), (3297, 47249), (3831, 40663), (5809, 26817), (8939, 17427)]