1285442949

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{440371}}^1$

素因数の和:440520

約数の個数: 16

約数和(自身を含む): 1972866560

約数和(自身を除く): 687423611

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 440371, 1321113, 3082597, 9247791, 61211569, 183634707, 428480983, 1285442949]

約数ペア:

[(1, 1285442949), (3, 428480983), (7, 183634707), (21, 61211569), (139, 9247791), (417, 3082597), (973, 1321113), (2919, 440371)]