28274547

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2081}}^1$

素因数の和:2738

約数の個数: 16

約数和(自身を含む): 43172352

約数和(自身を除く): 14897805

約数列:

[1, 3, 7, 21, 647, 1941, 2081, 4529, 6243, 13587, 14567, 43701, 1346407, 4039221, 9424849, 28274547]

約数ペア:

[(1, 28274547), (3, 9424849), (7, 4039221), (21, 1346407), (647, 43701), (1941, 14567), (2081, 13587), (4529, 6243)]