51721005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13313}}^1$

素因数の和:13365

約数の個数: 32

約数和(自身を含む): 97138944

約数和(自身を除く): 45417939

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 13313, 39939, 66565, 93191, 199695, 279573, 465955, 492581, 1397865, 1477743, 2462905, 3448067, 7388715, 10344201, 17240335, 51721005]

約数ペア:

[(1, 51721005), (3, 17240335), (5, 10344201), (7, 7388715), (15, 3448067), (21, 2462905), (35, 1477743), (37, 1397865), (105, 492581), (111, 465955), (185, 279573), (259, 199695), (555, 93191), (777, 66565), (1295, 39939), (3885, 13313)]