642621933

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{129587}}^1$

素因数の和:129641

約数の個数: 24

約数和(自身を含む): 1010786400

約数和(自身を除く): 368164467

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 129587, 388761, 1166283, 2462153, 3758023, 7386459, 11274069, 22159377, 33822207, 71402437, 214207311, 642621933]

約数ペア:

[(1, 642621933), (3, 214207311), (9, 71402437), (19, 33822207), (29, 22159377), (57, 11274069), (87, 7386459), (171, 3758023), (261, 2462153), (551, 1166283), (1653, 388761), (4959, 129587)]