78858171

素因数分解:

$3^3\times 7^1\times {\mathrm{417239}}^1$

素因数の和:417255

約数の個数: 16

約数和(自身を含む): 133516800

約数和(自身を除く): 54658629

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 417239, 1251717, 2920673, 3755151, 8762019, 11265453, 26286057, 78858171]

約数ペア:

[(1, 78858171), (3, 26286057), (7, 11265453), (9, 8762019), (21, 3755151), (27, 2920673), (63, 1251717), (189, 417239)]