13428981

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 20217600

約数和(自身を除く): 6788619

約数列:

[1, 3, 9, 47, 53, 141, 159, 423, 477, 599, 1797, 2491, 5391, 7473, 22419, 28153, 31747, 84459, 95241, 253377, 285723, 1492109, 4476327, 13428981]

約数ペア:

[(1, 13428981), (3, 4476327), (9, 1492109), (47, 285723), (53, 253377), (141, 95241), (159, 84459), (423, 31747), (477, 28153), (599, 22419), (1797, 7473), (2491, 5391)]