289399305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{11329}}^1$

素因数の和:11481

約数の個数: 32

約数和(自身を含む): 502508160

約数和(自身を除く): 213108855

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 8515, 11329, 25545, 33987, 56645, 147277, 169935, 441831, 736385, 1484099, 2209155, 4452297, 7420495, 19293287, 22261485, 57879861, 96466435, 289399305]

約数ペア:

[(1, 289399305), (3, 96466435), (5, 57879861), (13, 22261485), (15, 19293287), (39, 7420495), (65, 4452297), (131, 2209155), (195, 1484099), (393, 736385), (655, 441831), (1703, 169935), (1965, 147277), (5109, 56645), (8515, 33987), (11329, 25545)]