57780729

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 90790400

約数和(自身を除く): 33009671

約数列:

[1, 3, 9, 19, 27, 57, 163, 171, 489, 513, 691, 1467, 2073, 3097, 4401, 6219, 9291, 13129, 18657, 27873, 39387, 83619, 112633, 118161, 337899, 354483, 1013697, 2140027, 3041091, 6420081, 19260243, 57780729]

約数ペア:

[(1, 57780729), (3, 19260243), (9, 6420081), (19, 3041091), (27, 2140027), (57, 1013697), (163, 354483), (171, 337899), (489, 118161), (513, 112633), (691, 83619), (1467, 39387), (2073, 27873), (3097, 18657), (4401, 13129), (6219, 9291)]