15561755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 21385728

約数和(自身を除く): 5823973

約数列:

[1, 5, 11, 41, 55, 67, 103, 205, 335, 451, 515, 737, 1133, 2255, 2747, 3685, 4223, 5665, 6901, 13735, 21115, 30217, 34505, 46453, 75911, 151085, 232265, 282941, 379555, 1414705, 3112351, 15561755]

約数ペア:

[(1, 15561755), (5, 3112351), (11, 1414705), (41, 379555), (55, 282941), (67, 232265), (103, 151085), (205, 75911), (335, 46453), (451, 34505), (515, 30217), (737, 21115), (1133, 13735), (2255, 6901), (2747, 5665), (3685, 4223)]