2786931

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 4752384

約数和(自身を除く): 1965453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1427, 1953, 4281, 9989, 12843, 29967, 44237, 89901, 132711, 309659, 398133, 928977, 2786931]

約数ペア:

[(1, 2786931), (3, 928977), (7, 398133), (9, 309659), (21, 132711), (31, 89901), (63, 44237), (93, 29967), (217, 12843), (279, 9989), (651, 4281), (1427, 1953)]