28306803

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9839}}^1$

素因数の和:9986

約数の個数: 16

約数和(自身を含む): 43453440

約数和(自身を除く): 15146637

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 9839, 29517, 68873, 206619, 1347943, 4043829, 9435601, 28306803]

約数ペア:

[(1, 28306803), (3, 9435601), (7, 4043829), (21, 1347943), (137, 206619), (411, 68873), (959, 29517), (2877, 9839)]