16676205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 34621440

約数和(自身を除く): 17945235

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 643, 665, 741, 1235, 1365, 1729, 1929, 1995, 3215, 3705, 4501, 5187, 8359, 8645, 9645, 12217, 13503, 22505, 25077, 25935, 36651, 41795, 58513, 61085, 67515, 85519, 125385, 158821, 175539, 183255, 256557, 292565, 427595, 476463, 794105, 877695, 1111747, 1282785, 2382315, 3335241, 5558735, 16676205]

約数ペア:

[(1, 16676205), (3, 5558735), (5, 3335241), (7, 2382315), (13, 1282785), (15, 1111747), (19, 877695), (21, 794105), (35, 476463), (39, 427595), (57, 292565), (65, 256557), (91, 183255), (95, 175539), (105, 158821), (133, 125385), (195, 85519), (247, 67515), (273, 61085), (285, 58513), (399, 41795), (455, 36651), (643, 25935), (665, 25077), (741, 22505), (1235, 13503), (1365, 12217), (1729, 9645), (1929, 8645), (1995, 8359), (3215, 5187), (3705, 4501)]