78921555

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3307}}^1$

素因数の和:3395

約数の個数: 32

約数和(自身を含む): 132743424

約数和(自身を除く): 53821869

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 3307, 4773, 7955, 9921, 16535, 23865, 49605, 122359, 142201, 367077, 426603, 611795, 711005, 1835385, 2133015, 5261437, 15784311, 26307185, 78921555]

約数ペア:

[(1, 78921555), (3, 26307185), (5, 15784311), (15, 5261437), (37, 2133015), (43, 1835385), (111, 711005), (129, 611795), (185, 426603), (215, 367077), (555, 142201), (645, 122359), (1591, 49605), (3307, 23865), (4773, 16535), (7955, 9921)]