2017201995

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{1097}}^1$

素因数の和:1421

約数の個数: 64

約数和(自身を含む): 3671360640

約数和(自身を除く): 1654158645

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 257, 265, 477, 771, 795, 1097, 1285, 1431, 2313, 2385, 3291, 3855, 5485, 6939, 7155, 9873, 11565, 13621, 16455, 29619, 34695, 40863, 49365, 58141, 68105, 122589, 148095, 174423, 204315, 281929, 290705, 367767, 523269, 612945, 845787, 872115, 1409645, 1569807, 1838835, 2537361, 2616345, 4228935, 7612083, 7849035, 12686805, 14942237, 38060415, 44826711, 74711185, 134480133, 224133555, 403440399, 672400665, 2017201995]

約数ペア:

[(1, 2017201995), (3, 672400665), (5, 403440399), (9, 224133555), (15, 134480133), (27, 74711185), (45, 44826711), (53, 38060415), (135, 14942237), (159, 12686805), (257, 7849035), (265, 7612083), (477, 4228935), (771, 2616345), (795, 2537361), (1097, 1838835), (1285, 1569807), (1431, 1409645), (2313, 872115), (2385, 845787), (3291, 612945), (3855, 523269), (5485, 367767), (6939, 290705), (7155, 281929), (9873, 204315), (11565, 174423), (13621, 148095), (16455, 122589), (29619, 68105), (34695, 58141), (40863, 49365)]