78255729

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 118490112

約数和(自身を除く): 40234383

約数列:

[1, 3, 9, 23, 69, 207, 257, 771, 1471, 2313, 4413, 5911, 13239, 17733, 33833, 53199, 101499, 304497, 378047, 1134141, 3402423, 8695081, 26085243, 78255729]

約数ペア:

[(1, 78255729), (3, 26085243), (9, 8695081), (23, 3402423), (69, 1134141), (207, 378047), (257, 304497), (771, 101499), (1471, 53199), (2313, 33833), (4413, 17733), (5911, 13239)]