2154999

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 3778560

約数和(自身を除く): 1623561

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 491, 627, 1463, 1473, 3437, 4389, 5401, 9329, 10311, 16203, 27987, 37807, 65303, 102619, 113421, 195909, 307857, 718333, 2154999]

約数ペア:

[(1, 2154999), (3, 718333), (7, 307857), (11, 195909), (19, 113421), (21, 102619), (33, 65303), (57, 37807), (77, 27987), (133, 16203), (209, 10311), (231, 9329), (399, 5401), (491, 4389), (627, 3437), (1463, 1473)]