2987156907

素因数分解:

$3^3\times 7^1\times {\mathrm{15805063}}^1$

素因数の和:15805079

約数の個数: 16

約数和(自身を含む): 5057620480

約数和(自身を除く): 2070463573

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 15805063, 47415189, 110635441, 142245567, 331906323, 426736701, 995718969, 2987156907]

約数ペア:

[(1, 2987156907), (3, 995718969), (7, 426736701), (9, 331906323), (21, 142245567), (27, 110635441), (63, 47415189), (189, 15805063)]