815535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{863}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 1658880

約数和(自身を除く): 843345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 863, 945, 2589, 4315, 6041, 7767, 12945, 18123, 23301, 30205, 38835, 54369, 90615, 116505, 163107, 271845, 815535]

約数ペア:

[(1, 815535), (3, 271845), (5, 163107), (7, 116505), (9, 90615), (15, 54369), (21, 38835), (27, 30205), (35, 23301), (45, 18123), (63, 12945), (105, 7767), (135, 6041), (189, 4315), (315, 2589), (863, 945)]