1618442289

素因数分解:

$3^4\times {\mathrm{2791}}^1\times {\mathrm{7159}}^1$

素因数の和:9962

約数の個数: 20

約数和(自身を含む): 2418877120

約数和(自身を除く): 800434831

約数列:

[1, 3, 9, 27, 81, 2791, 7159, 8373, 21477, 25119, 64431, 75357, 193293, 226071, 579879, 19980769, 59942307, 179826921, 539480763, 1618442289]

約数ペア:

[(1, 1618442289), (3, 539480763), (9, 179826921), (27, 59942307), (81, 19980769), (2791, 579879), (7159, 226071), (8373, 193293), (21477, 75357), (25119, 64431)]