259670817

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{87697}}^1$

素因数の和:87757

約数の個数: 24

約数和(自身を含む): 437788416

約数和(自身を除く): 178117599

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 87697, 263091, 613879, 789273, 1841637, 4121759, 5524911, 12365277, 28852313, 37095831, 86556939, 259670817]

約数ペア:

[(1, 259670817), (3, 86556939), (7, 37095831), (9, 28852313), (21, 12365277), (47, 5524911), (63, 4121759), (141, 1841637), (329, 789273), (423, 613879), (987, 263091), (2961, 87697)]