31226865

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 20094735

約数列:

[1, 3, 5, 15, 71, 109, 213, 269, 327, 355, 545, 807, 1065, 1345, 1635, 4035, 7739, 19099, 23217, 29321, 38695, 57297, 87963, 95495, 116085, 146605, 286485, 439815, 2081791, 6245373, 10408955, 31226865]

約数ペア:

[(1, 31226865), (3, 10408955), (5, 6245373), (15, 2081791), (71, 439815), (109, 286485), (213, 146605), (269, 116085), (327, 95495), (355, 87963), (545, 57297), (807, 38695), (1065, 29321), (1345, 23217), (1635, 19099), (4035, 7739)]