206979555

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1783}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 339102720

約数和(自身を除く): 132123165

約数列:

[1, 3, 5, 15, 71, 109, 213, 327, 355, 545, 1065, 1635, 1783, 5349, 7739, 8915, 23217, 26745, 38695, 116085, 126593, 194347, 379779, 583041, 632965, 971735, 1898895, 2915205, 13798637, 41395911, 68993185, 206979555]

約数ペア:

[(1, 206979555), (3, 68993185), (5, 41395911), (15, 13798637), (71, 2915205), (109, 1898895), (213, 971735), (327, 632965), (355, 583041), (545, 379779), (1065, 194347), (1635, 126593), (1783, 116085), (5349, 38695), (7739, 26745), (8915, 23217)]