25349415

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 51072000

約数和(自身を除く): 25722585

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 343, 379, 455, 637, 735, 1029, 1137, 1365, 1715, 1895, 1911, 2653, 3185, 4459, 4927, 5145, 5685, 7959, 9555, 13265, 13377, 14781, 18571, 22295, 24635, 34489, 39795, 55713, 66885, 73905, 92855, 103467, 129997, 172445, 241423, 278565, 389991, 517335, 649985, 724269, 1207115, 1689961, 1949955, 3621345, 5069883, 8449805, 25349415]

約数ペア:

[(1, 25349415), (3, 8449805), (5, 5069883), (7, 3621345), (13, 1949955), (15, 1689961), (21, 1207115), (35, 724269), (39, 649985), (49, 517335), (65, 389991), (91, 278565), (105, 241423), (147, 172445), (195, 129997), (245, 103467), (273, 92855), (343, 73905), (379, 66885), (455, 55713), (637, 39795), (735, 34489), (1029, 24635), (1137, 22295), (1365, 18571), (1715, 14781), (1895, 13377), (1911, 13265), (2653, 9555), (3185, 7959), (4459, 5685), (4927, 5145)]