278865147

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9463}}^1$

素因数の和:9543

約数の個数: 32

約数和(自身を含む): 436101120

約数和(自身を除く): 157235973

約数列:

[1, 3, 11, 19, 33, 47, 57, 141, 209, 517, 627, 893, 1551, 2679, 9463, 9823, 28389, 29469, 104093, 179797, 312279, 444761, 539391, 1334283, 1977767, 4892371, 5933301, 8450459, 14677113, 25351377, 92955049, 278865147]

約数ペア:

[(1, 278865147), (3, 92955049), (11, 25351377), (19, 14677113), (33, 8450459), (47, 5933301), (57, 4892371), (141, 1977767), (209, 1334283), (517, 539391), (627, 444761), (893, 312279), (1551, 179797), (2679, 104093), (9463, 29469), (9823, 28389)]