388697049

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{369133}}^1$

素因数の和:369158

約数の個数: 20

約数和(自身を含む): 625312996

約数和(自身を除く): 236615947

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 369133, 1107399, 3322197, 4798729, 9966591, 14396187, 29899773, 43188561, 129565683, 388697049]

約数ペア:

[(1, 388697049), (3, 129565683), (9, 43188561), (13, 29899773), (27, 14396187), (39, 9966591), (81, 4798729), (117, 3322197), (351, 1107399), (1053, 369133)]