80491905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137593}}^1$

素因数の和:137617

約数の個数: 24

約数和(自身を含む): 150252648

約数和(自身を除く): 69760743

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 137593, 412779, 687965, 1238337, 1788709, 2063895, 5366127, 6191685, 8943545, 16098381, 26830635, 80491905]

約数ペア:

[(1, 80491905), (3, 26830635), (5, 16098381), (9, 8943545), (13, 6191685), (15, 5366127), (39, 2063895), (45, 1788709), (65, 1238337), (117, 687965), (195, 412779), (585, 137593)]