12784359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^2$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 20621440

約数和(自身を除く): 7837081

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 1253, 3401, 3759, 10203, 23807, 32041, 71421, 96123, 224287, 608779, 672861, 1826337, 4261453, 12784359]

約数ペア:

[(1, 12784359), (3, 4261453), (7, 1826337), (19, 672861), (21, 608779), (57, 224287), (133, 96123), (179, 71421), (399, 32041), (537, 23807), (1253, 10203), (3401, 3759)]