20151219

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 30243136

約数和(自身を除く): 10091917

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1291, 1419, 3873, 5203, 14201, 15609, 42603, 55513, 156211, 166539, 468633, 610643, 1831929, 6717073, 20151219]

約数ペア:

[(1, 20151219), (3, 6717073), (11, 1831929), (33, 610643), (43, 468633), (121, 166539), (129, 156211), (363, 55513), (473, 42603), (1291, 15609), (1419, 14201), (3873, 5203)]