17804520009

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2782391}}^1$

素因数の和:2782482

約数の個数: 20

約数和(自身を含む): 26933554560

約数和(自身を除く): 9129034551

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 2782391, 8347173, 25041519, 75124557, 219808889, 225373671, 659426667, 1978280001, 5934840003, 17804520009]

約数ペア:

[(1, 17804520009), (3, 5934840003), (9, 1978280001), (27, 659426667), (79, 225373671), (81, 219808889), (237, 75124557), (711, 25041519), (2133, 8347173), (6399, 2782391)]