81215235

素因数分解:

$3^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1459}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 140983440

約数和(自身を除く): 59768205

約数列:

[1, 3, 5, 9, 15, 45, 1237, 1459, 3711, 4377, 6185, 7295, 11133, 13131, 18555, 21885, 55665, 65655, 1804783, 5414349, 9023915, 16243047, 27071745, 81215235]

約数ペア:

[(1, 81215235), (3, 27071745), (5, 16243047), (9, 9023915), (15, 5414349), (45, 1804783), (1237, 65655), (1459, 55665), (3711, 21885), (4377, 18555), (6185, 13131), (7295, 11133)]