26620815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 46158336

約数和(自身を除く): 19537521

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 211, 633, 647, 1055, 1941, 2743, 3165, 3235, 8229, 8411, 9705, 13715, 25233, 41145, 42055, 126165, 136517, 409551, 682585, 1774721, 2047755, 5324163, 8873605, 26620815]

約数ペア:

[(1, 26620815), (3, 8873605), (5, 5324163), (13, 2047755), (15, 1774721), (39, 682585), (65, 409551), (195, 136517), (211, 126165), (633, 42055), (647, 41145), (1055, 25233), (1941, 13715), (2743, 9705), (3165, 8411), (3235, 8229)]