25827813

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 42180684

約数和(自身を除く): 16352871

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 641, 1089, 1221, 1923, 3663, 4477, 5769, 7051, 13431, 21153, 23717, 40293, 63459, 71151, 77561, 213453, 232683, 260887, 698049, 782661, 2347983, 2869757, 8609271, 25827813]

約数ペア:

[(1, 25827813), (3, 8609271), (9, 2869757), (11, 2347983), (33, 782661), (37, 698049), (99, 260887), (111, 232683), (121, 213453), (333, 77561), (363, 71151), (407, 63459), (641, 40293), (1089, 23717), (1221, 21153), (1923, 13431), (3663, 7051), (4477, 5769)]