81287523

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 128116800

約数和(自身を除く): 46829277

約数列:

[1, 3, 9, 17, 27, 51, 153, 409, 433, 459, 1227, 1299, 3681, 3897, 6953, 7361, 11043, 11691, 20859, 22083, 62577, 66249, 177097, 187731, 198747, 531291, 1593873, 3010649, 4781619, 9031947, 27095841, 81287523]

約数ペア:

[(1, 81287523), (3, 27095841), (9, 9031947), (17, 4781619), (27, 3010649), (51, 1593873), (153, 531291), (409, 198747), (433, 187731), (459, 177097), (1227, 66249), (1299, 62577), (3681, 22083), (3897, 20859), (6953, 11691), (7361, 11043)]