25642197

素因数分解:

$3^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 43688960

約数和(自身を除く): 18046763

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 211, 633, 643, 1477, 1899, 1929, 4431, 4501, 5697, 5787, 13293, 13503, 17361, 39879, 40509, 121527, 135673, 407019, 949711, 1221057, 2849133, 3663171, 8547399, 25642197]

約数ペア:

[(1, 25642197), (3, 8547399), (7, 3663171), (9, 2849133), (21, 1221057), (27, 949711), (63, 407019), (189, 135673), (211, 121527), (633, 40509), (643, 39879), (1477, 17361), (1899, 13503), (1929, 13293), (4431, 5787), (4501, 5697)]