260818623

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{247691}}^1$

素因数の和:247716

約数の個数: 20

約数和(自身を含む): 419590248

約数和(自身を除く): 158771625

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 247691, 743073, 2229219, 3219983, 6687657, 9659949, 20062971, 28979847, 86939541, 260818623]

約数ペア:

[(1, 260818623), (3, 86939541), (9, 28979847), (13, 20062971), (27, 9659949), (39, 6687657), (81, 3219983), (117, 2229219), (351, 743073), (1053, 247691)]