25813053

素因数分解:

$3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 45144000

約数和(自身を除く): 19330947

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 109, 147, 179, 189, 327, 441, 537, 763, 981, 1253, 1323, 1611, 2289, 2943, 3759, 4833, 5341, 6867, 8771, 11277, 16023, 19511, 20601, 26313, 33831, 48069, 58533, 78939, 136577, 144207, 175599, 236817, 409731, 526797, 956039, 1229193, 2868117, 3687579, 8604351, 25813053]

約数ペア:

[(1, 25813053), (3, 8604351), (7, 3687579), (9, 2868117), (21, 1229193), (27, 956039), (49, 526797), (63, 409731), (109, 236817), (147, 175599), (179, 144207), (189, 136577), (327, 78939), (441, 58533), (537, 48069), (763, 33831), (981, 26313), (1253, 20601), (1323, 19511), (1611, 16023), (2289, 11277), (2943, 8771), (3759, 6867), (4833, 5341)]