15438591

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 11468289

約数列:

[1, 3, 7, 9, 21, 41, 43, 63, 123, 129, 139, 287, 301, 369, 387, 417, 861, 903, 973, 1251, 1763, 2583, 2709, 2919, 5289, 5699, 5977, 8757, 12341, 15867, 17097, 17931, 37023, 39893, 41839, 51291, 53793, 111069, 119679, 125517, 245057, 359037, 376551, 735171, 1715399, 2205513, 5146197, 15438591]

約数ペア:

[(1, 15438591), (3, 5146197), (7, 2205513), (9, 1715399), (21, 735171), (41, 376551), (43, 359037), (63, 245057), (123, 125517), (129, 119679), (139, 111069), (287, 53793), (301, 51291), (369, 41839), (387, 39893), (417, 37023), (861, 17931), (903, 17097), (973, 15867), (1251, 12341), (1763, 8757), (2583, 5977), (2709, 5699), (2919, 5289)]