81792075

素因数分解:

$3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{3881}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 135745776

約数和(自身を除く): 53953701

約数列:

[1, 3, 5, 15, 25, 75, 281, 843, 1405, 3881, 4215, 7025, 11643, 19405, 21075, 58215, 97025, 291075, 1090561, 3271683, 5452805, 16358415, 27264025, 81792075]

約数ペア:

[(1, 81792075), (3, 27264025), (5, 16358415), (15, 5452805), (25, 3271683), (75, 1090561), (281, 291075), (843, 97025), (1405, 58215), (3881, 21075), (4215, 19405), (7025, 11643)]