18478065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 31539456

約数和(自身を除く): 13061391

約数列:

[1, 3, 5, 15, 17, 51, 85, 233, 255, 311, 699, 933, 1165, 1555, 3495, 3961, 4665, 5287, 11883, 15861, 19805, 26435, 59415, 72463, 79305, 217389, 362315, 1086945, 1231871, 3695613, 6159355, 18478065]

約数ペア:

[(1, 18478065), (3, 6159355), (5, 3695613), (15, 1231871), (17, 1086945), (51, 362315), (85, 217389), (233, 79305), (255, 72463), (311, 59415), (699, 26435), (933, 19805), (1165, 15861), (1555, 11883), (3495, 5287), (3961, 4665)]