1257993

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2018016

約数和(自身を除く): 760023

約数列:

[1, 3, 9, 11, 33, 97, 99, 131, 291, 393, 873, 1067, 1179, 1441, 3201, 4323, 9603, 12707, 12969, 38121, 114363, 139777, 419331, 1257993]

約数ペア:

[(1, 1257993), (3, 419331), (9, 139777), (11, 114363), (33, 38121), (97, 12969), (99, 12707), (131, 9603), (291, 4323), (393, 3201), (873, 1441), (1067, 1179)]