1540917

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 2703360

約数和(自身を除く): 1162443

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 263, 279, 651, 789, 837, 1841, 1953, 2367, 5523, 5859, 7101, 8153, 16569, 24459, 49707, 57071, 73377, 171213, 220131, 513639, 1540917]

約数ペア:

[(1, 1540917), (3, 513639), (7, 220131), (9, 171213), (21, 73377), (27, 57071), (31, 49707), (63, 24459), (93, 16569), (189, 8153), (217, 7101), (263, 5859), (279, 5523), (651, 2367), (789, 1953), (837, 1841)]