31615191

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 50152080

約数和(自身を除く): 18536889

約数列:

[1, 3, 9, 27, 29, 43, 81, 87, 129, 261, 313, 387, 783, 939, 1161, 1247, 2349, 2817, 3483, 3741, 8451, 9077, 11223, 13459, 25353, 27231, 33669, 40377, 81693, 101007, 121131, 245079, 363393, 390311, 735237, 1090179, 1170933, 3512799, 10538397, 31615191]

約数ペア:

[(1, 31615191), (3, 10538397), (9, 3512799), (27, 1170933), (29, 1090179), (43, 735237), (81, 390311), (87, 363393), (129, 245079), (261, 121131), (313, 101007), (387, 81693), (783, 40377), (939, 33669), (1161, 27231), (1247, 25353), (2349, 13459), (2817, 11223), (3483, 9077), (3741, 8451)]