25643331

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 47180800

約数和(自身を除く): 21537469

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 57, 63, 111, 133, 171, 189, 193, 259, 333, 399, 513, 579, 703, 777, 999, 1197, 1351, 1737, 2109, 2331, 3591, 3667, 4053, 4921, 5211, 6327, 6993, 7141, 11001, 12159, 14763, 18981, 21423, 25669, 33003, 36477, 44289, 49987, 64269, 77007, 99009, 132867, 135679, 149961, 192807, 231021, 407037, 449883, 693063, 949753, 1221111, 1349649, 2849259, 3663333, 8547777, 25643331]

約数ペア:

[(1, 25643331), (3, 8547777), (7, 3663333), (9, 2849259), (19, 1349649), (21, 1221111), (27, 949753), (37, 693063), (57, 449883), (63, 407037), (111, 231021), (133, 192807), (171, 149961), (189, 135679), (193, 132867), (259, 99009), (333, 77007), (399, 64269), (513, 49987), (579, 44289), (703, 36477), (777, 33003), (999, 25669), (1197, 21423), (1351, 18981), (1737, 14763), (2109, 12159), (2331, 11001), (3591, 7141), (3667, 6993), (4053, 6327), (4921, 5211)]