20090301

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14469699

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 2999, 6699, 8997, 20993, 32989, 62979, 86971, 98967, 230923, 260913, 608797, 692769, 956681, 1826391, 2870043, 6696767, 20090301]

約数ペア:

[(1, 20090301), (3, 6696767), (7, 2870043), (11, 1826391), (21, 956681), (29, 692769), (33, 608797), (77, 260913), (87, 230923), (203, 98967), (231, 86971), (319, 62979), (609, 32989), (957, 20993), (2233, 8997), (2999, 6699)]