54781805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{877}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 73235736

約数和(自身を除く): 18453931

約数列:

[1, 5, 13, 31, 65, 155, 403, 877, 961, 2015, 4385, 4805, 11401, 12493, 27187, 57005, 62465, 135935, 353431, 842797, 1767155, 4213985, 10956361, 54781805]

約数ペア:

[(1, 54781805), (5, 10956361), (13, 4213985), (31, 1767155), (65, 842797), (155, 353431), (403, 135935), (877, 62465), (961, 57005), (2015, 27187), (4385, 12493), (4805, 11401)]