1645493913

素因数分解:

$3^3\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{6397}}^1$

素因数の和:7774

約数の個数: 32

約数和(自身を含む): 2788504320

約数和(自身を除く): 1143010407

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1361, 4083, 6397, 9527, 12249, 19191, 28581, 36747, 44779, 57573, 85743, 134337, 172719, 257229, 403011, 1209033, 8706317, 26118951, 60944219, 78356853, 182832657, 235070559, 548497971, 1645493913]

約数ペア:

[(1, 1645493913), (3, 548497971), (7, 235070559), (9, 182832657), (21, 78356853), (27, 60944219), (63, 26118951), (189, 8706317), (1361, 1209033), (4083, 403011), (6397, 257229), (9527, 172719), (12249, 134337), (19191, 85743), (28581, 57573), (36747, 44779)]