15847839

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 27233280

約数和(自身を除く): 11385441

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1181, 1491, 1917, 3543, 4473, 8267, 10629, 13419, 24801, 31887, 74403, 83851, 223209, 251553, 586957, 754659, 1760871, 2263977, 5282613, 15847839]

約数ペア:

[(1, 15847839), (3, 5282613), (7, 2263977), (9, 1760871), (21, 754659), (27, 586957), (63, 251553), (71, 223209), (189, 83851), (213, 74403), (497, 31887), (639, 24801), (1181, 13419), (1491, 10629), (1917, 8267), (3543, 4473)]