1155978

素因数分解:

$2^1\times 3^3\times {\mathrm{21407}}^1$

素因数の和:21418

約数の個数: 16

約数和(自身を含む): 2568960

約数和(自身を除く): 1412982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 21407, 42814, 64221, 128442, 192663, 385326, 577989, 1155978]

約数ペア:

[(1, 1155978), (2, 577989), (3, 385326), (6, 192663), (9, 128442), (18, 64221), (27, 42814), (54, 21407)]