155720901

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11789}}^1$

素因数の和:11853

約数の個数: 32

約数和(自身を含む): 258059520

約数和(自身を除く): 102338619

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 4403, 11789, 13209, 35367, 82523, 200413, 247569, 436193, 601239, 1308579, 1402891, 3053351, 4208673, 7415281, 9160053, 22245843, 51906967, 155720901]

約数ペア:

[(1, 155720901), (3, 51906967), (7, 22245843), (17, 9160053), (21, 7415281), (37, 4208673), (51, 3053351), (111, 1402891), (119, 1308579), (259, 601239), (357, 436193), (629, 247569), (777, 200413), (1887, 82523), (4403, 35367), (11789, 13209)]