2181585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 4055040

約数和(自身を除く): 1873455

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 263, 395, 553, 789, 1185, 1315, 1659, 1841, 2765, 3945, 5523, 8295, 9205, 20777, 27615, 62331, 103885, 145439, 311655, 436317, 727195, 2181585]

約数ペア:

[(1, 2181585), (3, 727195), (5, 436317), (7, 311655), (15, 145439), (21, 103885), (35, 62331), (79, 27615), (105, 20777), (237, 9205), (263, 8295), (395, 5523), (553, 3945), (789, 2765), (1185, 1841), (1315, 1659)]