81026838

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{65239}}^1$

素因数の和:65273

約数の個数: 32

約数和(自身を含む): 187891200

約数和(自身を除く): 106864362

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 65239, 130478, 195717, 391434, 587151, 1174302, 1500497, 1761453, 3000994, 3522906, 4501491, 9002982, 13504473, 27008946, 40513419, 81026838]

約数ペア:

[(1, 81026838), (2, 40513419), (3, 27008946), (6, 13504473), (9, 9002982), (18, 4501491), (23, 3522906), (27, 3000994), (46, 1761453), (54, 1500497), (69, 1174302), (138, 587151), (207, 391434), (414, 195717), (621, 130478), (1242, 65239)]