208481889

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47501}}^1$

素因数の和:47541

約数の個数: 32

約数和(自身を含む): 364815360

約数和(自身を除く): 156333471

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 47501, 142503, 332507, 522511, 902519, 997521, 1567533, 2707557, 3657577, 6317633, 9927709, 10972731, 18952899, 29783127, 69493963, 208481889]

約数ペア:

[(1, 208481889), (3, 69493963), (7, 29783127), (11, 18952899), (19, 10972731), (21, 9927709), (33, 6317633), (57, 3657577), (77, 2707557), (133, 1567533), (209, 997521), (231, 902519), (399, 522511), (627, 332507), (1463, 142503), (4389, 47501)]