280551978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{742201}}^1$

素因数の和:742219

約数の個数: 32

約数和(自身を含む): 712513920

約数和(自身を除く): 431961942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 742201, 1484402, 2226603, 4453206, 5195407, 6679809, 10390814, 13359618, 15586221, 20039427, 31172442, 40078854, 46758663, 93517326, 140275989, 280551978]

約数ペア:

[(1, 280551978), (2, 140275989), (3, 93517326), (6, 46758663), (7, 40078854), (9, 31172442), (14, 20039427), (18, 15586221), (21, 13359618), (27, 10390814), (42, 6679809), (54, 5195407), (63, 4453206), (126, 2226603), (189, 1484402), (378, 742201)]