6820905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 14192640

約数和(自身を除く): 7371735

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 263, 273, 285, 399, 455, 665, 741, 789, 1235, 1315, 1365, 1729, 1841, 1995, 3419, 3705, 3945, 4997, 5187, 5523, 8645, 9205, 10257, 14991, 17095, 23933, 24985, 25935, 27615, 34979, 51285, 64961, 71799, 74955, 104937, 119665, 174895, 194883, 324805, 358995, 454727, 524685, 974415, 1364181, 2273635, 6820905]

約数ペア:

[(1, 6820905), (3, 2273635), (5, 1364181), (7, 974415), (13, 524685), (15, 454727), (19, 358995), (21, 324805), (35, 194883), (39, 174895), (57, 119665), (65, 104937), (91, 74955), (95, 71799), (105, 64961), (133, 51285), (195, 34979), (247, 27615), (263, 25935), (273, 24985), (285, 23933), (399, 17095), (455, 14991), (665, 10257), (741, 9205), (789, 8645), (1235, 5523), (1315, 5187), (1365, 4997), (1729, 3945), (1841, 3705), (1995, 3419)]