215524719

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 333132800

約数和(自身を除く): 117608081

約数列:

[1, 3, 9, 27, 79, 81, 103, 109, 237, 243, 309, 327, 711, 927, 981, 2133, 2781, 2943, 6399, 8137, 8343, 8611, 8829, 11227, 19197, 24411, 25029, 25833, 26487, 33681, 73233, 77499, 101043, 219699, 232497, 303129, 659097, 697491, 886933, 909387, 1977291, 2092473, 2660799, 2728161, 7982397, 23947191, 71841573, 215524719]

約数ペア:

[(1, 215524719), (3, 71841573), (9, 23947191), (27, 7982397), (79, 2728161), (81, 2660799), (103, 2092473), (109, 1977291), (237, 909387), (243, 886933), (309, 697491), (327, 659097), (711, 303129), (927, 232497), (981, 219699), (2133, 101043), (2781, 77499), (2943, 73233), (6399, 33681), (8137, 26487), (8343, 25833), (8611, 25029), (8829, 24411), (11227, 19197)]