619686561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 906209920

約数和(自身を除く): 286523359

約数列:

[1, 3, 13, 39, 73, 219, 307, 709, 921, 949, 2127, 2847, 3991, 9217, 11973, 22411, 27651, 51757, 67233, 155271, 217663, 291343, 652989, 672841, 874029, 2018523, 2829619, 8488857, 15889399, 47668197, 206562187, 619686561]

約数ペア:

[(1, 619686561), (3, 206562187), (13, 47668197), (39, 15889399), (73, 8488857), (219, 2829619), (307, 2018523), (709, 874029), (921, 672841), (949, 652989), (2127, 291343), (2847, 217663), (3991, 155271), (9217, 67233), (11973, 51757), (22411, 27651)]