68686785

素因数分解:

$3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{937}}^1$

素因数の和:1135

約数の個数: 40

約数和(自身を含む): 123939816

約数和(自身を除く): 55253031

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 181, 405, 543, 905, 937, 1629, 2715, 2811, 4685, 4887, 8145, 8433, 14055, 14661, 24435, 25299, 42165, 73305, 75897, 126495, 169597, 379485, 508791, 847985, 1526373, 2543955, 4579119, 7631865, 13737357, 22895595, 68686785]

約数ペア:

[(1, 68686785), (3, 22895595), (5, 13737357), (9, 7631865), (15, 4579119), (27, 2543955), (45, 1526373), (81, 847985), (135, 508791), (181, 379485), (405, 169597), (543, 126495), (905, 75897), (937, 73305), (1629, 42165), (2715, 25299), (2811, 24435), (4685, 14661), (4887, 14055), (8145, 8433)]