71784162

素因数分解:

$2^1\times 3^2\times {\mathrm{1997}}^2$

素因数の和:4002

約数の個数: 18

約数和(自身を含む): 155610273

約数和(自身を除く): 83826111

約数列:

[1, 2, 3, 6, 9, 18, 1997, 3994, 5991, 11982, 17973, 35946, 3988009, 7976018, 11964027, 23928054, 35892081, 71784162]

約数ペア:

[(1, 71784162), (2, 35892081), (3, 23928054), (6, 11964027), (9, 7976018), (18, 3988009), (1997, 35946), (3994, 17973), (5991, 11982)]