28838979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12973}}^1$

素因数の和:13011

約数の個数: 24

約数和(自身を含む): 47225360

約数和(自身を除く): 18386381

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12973, 38919, 116757, 168649, 246487, 505947, 739461, 1517841, 2218383, 3204331, 9612993, 28838979]

約数ペア:

[(1, 28838979), (3, 9612993), (9, 3204331), (13, 2218383), (19, 1517841), (39, 739461), (57, 505947), (117, 246487), (171, 168649), (247, 116757), (741, 38919), (2223, 12973)]