72857967

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8609}}^1$

素因数の和:8663

約数の個数: 32

約数和(自身を含む): 123432960

約数和(自身を除く): 50574993

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 8609, 25827, 60263, 111917, 180789, 266879, 335751, 783419, 800637, 1868153, 2350257, 3469427, 5604459, 10408281, 24285989, 72857967]

約数ペア:

[(1, 72857967), (3, 24285989), (7, 10408281), (13, 5604459), (21, 3469427), (31, 2350257), (39, 1868153), (91, 800637), (93, 783419), (217, 335751), (273, 266879), (403, 180789), (651, 111917), (1209, 60263), (2821, 25827), (8463, 8609)]