981018

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 2243520

約数和(自身を除く): 1262502

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 491, 666, 982, 999, 1473, 1998, 2946, 4419, 8838, 13257, 18167, 26514, 36334, 54501, 109002, 163503, 327006, 490509, 981018]

約数ペア:

[(1, 981018), (2, 490509), (3, 327006), (6, 163503), (9, 109002), (18, 54501), (27, 36334), (37, 26514), (54, 18167), (74, 13257), (111, 8838), (222, 4419), (333, 2946), (491, 1998), (666, 1473), (982, 999)]