6805215

素因数分解:

$3^6\times 5^1\times {\mathrm{1867}}^1$

素因数の和:1890

約数の個数: 28

約数和(自身を含む): 12250344

約数和(自身を除く): 5445129

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1867, 3645, 5601, 9335, 16803, 28005, 50409, 84015, 151227, 252045, 453681, 756135, 1361043, 2268405, 6805215]

約数ペア:

[(1, 6805215), (3, 2268405), (5, 1361043), (9, 756135), (15, 453681), (27, 252045), (45, 151227), (81, 84015), (135, 50409), (243, 28005), (405, 16803), (729, 9335), (1215, 5601), (1867, 3645)]