248357277

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 419328000

約数和(自身を除く): 170970723

約数列:

[1, 3, 7, 9, 21, 63, 79, 139, 237, 359, 417, 553, 711, 973, 1077, 1251, 1659, 2513, 2919, 3231, 4977, 7539, 8757, 10981, 22617, 28361, 32943, 49901, 76867, 85083, 98829, 149703, 198527, 230601, 255249, 349307, 449109, 595581, 691803, 1047921, 1786743, 3143763, 3942179, 11826537, 27595253, 35479611, 82785759, 248357277]

約数ペア:

[(1, 248357277), (3, 82785759), (7, 35479611), (9, 27595253), (21, 11826537), (63, 3942179), (79, 3143763), (139, 1786743), (237, 1047921), (359, 691803), (417, 595581), (553, 449109), (711, 349307), (973, 255249), (1077, 230601), (1251, 198527), (1659, 149703), (2513, 98829), (2919, 85083), (3231, 76867), (4977, 49901), (7539, 32943), (8757, 28361), (10981, 22617)]