838215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 1704960

約数和(自身を除く): 866745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 887, 945, 2661, 4435, 6209, 7983, 13305, 18627, 23949, 31045, 39915, 55881, 93135, 119745, 167643, 279405, 838215]

約数ペア:

[(1, 838215), (3, 279405), (5, 167643), (7, 119745), (9, 93135), (15, 55881), (21, 39915), (27, 31045), (35, 23949), (45, 18627), (63, 13305), (105, 7983), (135, 6209), (189, 4435), (315, 2661), (887, 945)]