388132017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{14657}}^1$

素因数の和:14777

約数の個数: 32

約数和(自身を含む): 643544832

約数和(自身を除く): 255412815

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 1261, 2037, 3783, 8827, 14657, 26481, 43971, 102599, 190541, 307797, 571623, 1333787, 1421729, 4001361, 4265187, 9952103, 18482477, 29856309, 55447431, 129377339, 388132017]

約数ペア:

[(1, 388132017), (3, 129377339), (7, 55447431), (13, 29856309), (21, 18482477), (39, 9952103), (91, 4265187), (97, 4001361), (273, 1421729), (291, 1333787), (679, 571623), (1261, 307797), (2037, 190541), (3783, 102599), (8827, 43971), (14657, 26481)]