1680579

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 2583360

約数和(自身を除く): 902781

約数列:

[1, 3, 9, 29, 47, 87, 137, 141, 261, 411, 423, 1233, 1363, 3973, 4089, 6439, 11919, 12267, 19317, 35757, 57951, 186731, 560193, 1680579]

約数ペア:

[(1, 1680579), (3, 560193), (9, 186731), (29, 57951), (47, 35757), (87, 19317), (137, 12267), (141, 11919), (261, 6439), (411, 4089), (423, 3973), (1233, 1363)]