1320120123

素因数分解:

$3^1\times 7^2\times {\mathrm{2957}}^1\times {\mathrm{3037}}^1$

素因数の和:6011

約数の個数: 24

約数和(自身を含む): 2048900112

約数和(自身を除く): 728779989

約数列:

[1, 3, 7, 21, 49, 147, 2957, 3037, 8871, 9111, 20699, 21259, 62097, 63777, 144893, 148813, 434679, 446439, 8980409, 26941227, 62862863, 188588589, 440040041, 1320120123]

約数ペア:

[(1, 1320120123), (3, 440040041), (7, 188588589), (21, 62862863), (49, 26941227), (147, 8980409), (2957, 446439), (3037, 434679), (8871, 148813), (9111, 144893), (20699, 63777), (21259, 62097)]