39991563

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{7369}}^1$

素因数の和:7448

約数の個数: 20

約数和(自身を含む): 60640360

約数和(自身を除く): 20648797

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 7369, 22107, 66321, 198963, 493723, 596889, 1481169, 4443507, 13330521, 39991563]

約数ペア:

[(1, 39991563), (3, 13330521), (9, 4443507), (27, 1481169), (67, 596889), (81, 493723), (201, 198963), (603, 66321), (1809, 22107), (5427, 7369)]