1086939

素因数分解:

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

素因数の和:99

約数の個数: 32

約数和(自身を含む): 1889280

約数和(自身を除く): 802341

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 243, 497, 567, 639, 729, 1491, 1701, 1917, 2187, 4473, 5103, 5751, 13419, 15309, 17253, 40257, 51759, 120771, 155277, 362313, 1086939]

約数ペア:

[(1, 1086939), (3, 362313), (7, 155277), (9, 120771), (21, 51759), (27, 40257), (63, 17253), (71, 15309), (81, 13419), (189, 5751), (213, 5103), (243, 4473), (497, 2187), (567, 1917), (639, 1701), (729, 1491)]