17939207937

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{672107}}^1$

素因数の和:672189

約数の個数: 32

約数和(自身を含む): 28906020864

約数和(自身を除く): 10966812927

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1271, 3813, 8897, 26691, 672107, 2016321, 4704749, 14114247, 20835317, 27556387, 62505951, 82669161, 145847219, 192894709, 437541657, 578684127, 854247997, 2562743991, 5979735979, 17939207937]

約数ペア:

[(1, 17939207937), (3, 5979735979), (7, 2562743991), (21, 854247997), (31, 578684127), (41, 437541657), (93, 192894709), (123, 145847219), (217, 82669161), (287, 62505951), (651, 27556387), (861, 20835317), (1271, 14114247), (3813, 4704749), (8897, 2016321), (26691, 672107)]