17799999

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 10815681

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 269, 411, 483, 807, 959, 1883, 2877, 3151, 5649, 6187, 9453, 18561, 22057, 36853, 43309, 66171, 110559, 129927, 257971, 773913, 847619, 2542857, 5933333, 17799999]

約数ペア:

[(1, 17799999), (3, 5933333), (7, 2542857), (21, 847619), (23, 773913), (69, 257971), (137, 129927), (161, 110559), (269, 66171), (411, 43309), (483, 36853), (807, 22057), (959, 18561), (1883, 9453), (2877, 6187), (3151, 5649)]