13555881

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 20317440

約数和(自身を除く): 6761559

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 439, 657, 1317, 3431, 3951, 10293, 20633, 30879, 32047, 61899, 96141, 185697, 288423, 1506209, 4518627, 13555881]

約数ペア:

[(1, 13555881), (3, 4518627), (9, 1506209), (47, 288423), (73, 185697), (141, 96141), (219, 61899), (423, 32047), (439, 30879), (657, 20633), (1317, 10293), (3431, 3951)]