51574719

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1979}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 84395520

約数和(自身を除く): 32820801

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 1979, 3723, 5937, 8687, 13853, 26061, 33643, 41559, 100929, 144467, 235501, 433401, 706503, 1011269, 2455939, 3033807, 7367817, 17191573, 51574719]

約数ペア:

[(1, 51574719), (3, 17191573), (7, 7367817), (17, 3033807), (21, 2455939), (51, 1011269), (73, 706503), (119, 433401), (219, 235501), (357, 144467), (511, 100929), (1241, 41559), (1533, 33643), (1979, 26061), (3723, 13853), (5937, 8687)]