840078

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 1912320

約数和(自身を除く): 1072242

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 331, 423, 662, 846, 993, 1269, 1986, 2538, 2979, 5958, 8937, 15557, 17874, 31114, 46671, 93342, 140013, 280026, 420039, 840078]

約数ペア:

[(1, 840078), (2, 420039), (3, 280026), (6, 140013), (9, 93342), (18, 46671), (27, 31114), (47, 17874), (54, 15557), (94, 8937), (141, 5958), (282, 2979), (331, 2538), (423, 1986), (662, 1269), (846, 993)]