39970215

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16759}}^1$

素因数の和:16823

約数の個数: 24

約数和(自身を含む): 70593120

約数和(自身を除く): 30622905

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 16759, 50277, 83795, 150831, 251385, 754155, 888227, 2664681, 4441135, 7994043, 13323405, 39970215]

約数ペア:

[(1, 39970215), (3, 13323405), (5, 7994043), (9, 4441135), (15, 2664681), (45, 888227), (53, 754155), (159, 251385), (265, 150831), (477, 83795), (795, 50277), (2385, 16759)]