891675

素因数分解:

$3^3\times 5^2\times {\mathrm{1321}}^1$

素因数の和:1340

約数の個数: 24

約数和(自身を含む): 1639280

約数和(自身を除く): 747605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 1321, 3963, 6605, 11889, 19815, 33025, 35667, 59445, 99075, 178335, 297225, 891675]

約数ペア:

[(1, 891675), (3, 297225), (5, 178335), (9, 99075), (15, 59445), (25, 35667), (27, 33025), (45, 19815), (75, 11889), (135, 6605), (225, 3963), (675, 1321)]