248625855

素因数分解:

$3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1759}}^1$

素因数の和:2125

約数の個数: 40

約数和(自身を含む): 447216000

約数和(自身を除く): 198590145

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 349, 405, 1047, 1745, 1759, 3141, 5235, 5277, 8795, 9423, 15705, 15831, 26385, 28269, 47115, 47493, 79155, 141345, 142479, 237465, 613891, 712395, 1841673, 3069455, 5525019, 9208365, 16575057, 27625095, 49725171, 82875285, 248625855]

約数ペア:

[(1, 248625855), (3, 82875285), (5, 49725171), (9, 27625095), (15, 16575057), (27, 9208365), (45, 5525019), (81, 3069455), (135, 1841673), (349, 712395), (405, 613891), (1047, 237465), (1745, 142479), (1759, 141345), (3141, 79155), (5235, 47493), (5277, 47115), (8795, 28269), (9423, 26385), (15705, 15831)]