281639403

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2188

約数の個数: 32

約数和(自身を含む): 429710400

約数和(自身を除く): 148070997

約数列:

[1, 3, 9, 27, 53, 97, 159, 291, 477, 873, 1431, 2029, 2619, 5141, 6087, 15423, 18261, 46269, 54783, 107537, 138807, 196813, 322611, 590439, 967833, 1771317, 2903499, 5313951, 10431089, 31293267, 93879801, 281639403]

約数ペア:

[(1, 281639403), (3, 93879801), (9, 31293267), (27, 10431089), (53, 5313951), (97, 2903499), (159, 1771317), (291, 967833), (477, 590439), (873, 322611), (1431, 196813), (2029, 138807), (2619, 107537), (5141, 54783), (6087, 46269), (15423, 18261)]