71975553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 109737600

約数和(自身を除く): 37762047

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 411, 709, 741, 1781, 2127, 2603, 5343, 7809, 9217, 13471, 27651, 33839, 40413, 97133, 101517, 175123, 291399, 525369, 1262729, 1845527, 3788187, 5536581, 23991851, 71975553]

約数ペア:

[(1, 71975553), (3, 23991851), (13, 5536581), (19, 3788187), (39, 1845527), (57, 1262729), (137, 525369), (247, 291399), (411, 175123), (709, 101517), (741, 97133), (1781, 40413), (2127, 33839), (2603, 27651), (5343, 13471), (7809, 9217)]