90017847

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 132762240

約数和(自身を除く): 42744393

約数列:

[1, 3, 9, 71, 179, 213, 537, 639, 787, 1611, 2361, 7083, 12709, 38127, 55877, 114381, 140873, 167631, 422619, 502893, 1267857, 10001983, 30005949, 90017847]

約数ペア:

[(1, 90017847), (3, 30005949), (9, 10001983), (71, 1267857), (179, 502893), (213, 422619), (537, 167631), (639, 140873), (787, 114381), (1611, 55877), (2361, 38127), (7083, 12709)]