81567915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3500

約数の個数: 48

約数和(自身を含む): 154531104

約数和(自身を除く): 72963189

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 1573, 1815, 2145, 3457, 4719, 7865, 10371, 17285, 23595, 38027, 44941, 51855, 114081, 134823, 190135, 224705, 418297, 494351, 570405, 674115, 1254891, 1483053, 2091485, 2471755, 5437861, 6274455, 7415265, 16313583, 27189305, 81567915]

約数ペア:

[(1, 81567915), (3, 27189305), (5, 16313583), (11, 7415265), (13, 6274455), (15, 5437861), (33, 2471755), (39, 2091485), (55, 1483053), (65, 1254891), (121, 674115), (143, 570405), (165, 494351), (195, 418297), (363, 224705), (429, 190135), (605, 134823), (715, 114081), (1573, 51855), (1815, 44941), (2145, 38027), (3457, 23595), (4719, 17285), (7865, 10371)]