78873249

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{288913}}^1$

素因数の和:288936

約数の個数: 16

約数和(自身を含む): 129433472

約数和(自身を除く): 50560223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 288913, 866739, 2022391, 3755869, 6067173, 11267607, 26291083, 78873249]

約数ペア:

[(1, 78873249), (3, 26291083), (7, 11267607), (13, 6067173), (21, 3755869), (39, 2022391), (91, 866739), (273, 288913)]