1388891805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{6637}}^1$

素因数の和:8645

約数の個数: 32

約数和(自身を含む): 2541345024

約数和(自身を除く): 1152453219

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1993, 5979, 6637, 9965, 13951, 19911, 29895, 33185, 41853, 46459, 69755, 99555, 139377, 209265, 232295, 696885, 13227541, 39682623, 66137705, 92592787, 198413115, 277778361, 462963935, 1388891805]

約数ペア:

[(1, 1388891805), (3, 462963935), (5, 277778361), (7, 198413115), (15, 92592787), (21, 66137705), (35, 39682623), (105, 13227541), (1993, 696885), (5979, 232295), (6637, 209265), (9965, 139377), (13951, 99555), (19911, 69755), (29895, 46459), (33185, 41853)]