681534

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{601}}^1$

素因数の和:622

約数の個数: 40

約数和(自身を含む): 1748208

約数和(自身を除く): 1066674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 601, 1134, 1202, 1803, 3606, 4207, 5409, 8414, 10818, 12621, 16227, 25242, 32454, 37863, 48681, 75726, 97362, 113589, 227178, 340767, 681534]

約数ペア:

[(1, 681534), (2, 340767), (3, 227178), (6, 113589), (7, 97362), (9, 75726), (14, 48681), (18, 37863), (21, 32454), (27, 25242), (42, 16227), (54, 12621), (63, 10818), (81, 8414), (126, 5409), (162, 4207), (189, 3606), (378, 1803), (567, 1202), (601, 1134)]