12840363

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 19616688

約数和(自身を除く): 6776325

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 997, 1431, 2991, 4293, 8973, 12879, 26919, 52841, 80757, 158523, 242271, 475569, 1426707, 4280121, 12840363]

約数ペア:

[(1, 12840363), (3, 4280121), (9, 1426707), (27, 475569), (53, 242271), (81, 158523), (159, 80757), (243, 52841), (477, 26919), (997, 12879), (1431, 8973), (2991, 4293)]