28763409

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2999}}^1$

素因数の和:3164

約数の個数: 16

約数和(自身を含む): 40320000

約数和(自身を除く): 11556591

約数列:

[1, 3, 23, 69, 139, 417, 2999, 3197, 8997, 9591, 68977, 206931, 416861, 1250583, 9587803, 28763409]

約数ペア:

[(1, 28763409), (3, 9587803), (23, 1250583), (69, 416861), (139, 206931), (417, 68977), (2999, 9591), (3197, 8997)]