207980969

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{1427}}^1$

素因数の和:1924

約数の個数: 16

約数和(自身を含む): 243468288

約数和(自身を除く): 35487319

約数列:

[1, 7, 47, 329, 443, 1427, 3101, 9989, 20821, 67069, 145747, 469483, 632161, 4425127, 29711567, 207980969]

約数ペア:

[(1, 207980969), (7, 29711567), (47, 4425127), (329, 632161), (443, 469483), (1427, 145747), (3101, 67069), (9989, 20821)]