248535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 506880

約数和(自身を除く): 258345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 263, 315, 789, 945, 1315, 1841, 2367, 3945, 5523, 7101, 9205, 11835, 16569, 27615, 35505, 49707, 82845, 248535]

約数ペア:

[(1, 248535), (3, 82845), (5, 49707), (7, 35505), (9, 27615), (15, 16569), (21, 11835), (27, 9205), (35, 7101), (45, 5523), (63, 3945), (105, 2367), (135, 1841), (189, 1315), (263, 945), (315, 789)]