207821691

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{42841}}^1$

素因数の和:42872

約数の個数: 36

約数和(自身を含む): 380951064

約数和(自身を除く): 173129373

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 42841, 128523, 299887, 385569, 471251, 899661, 1413753, 2099209, 2698983, 3298757, 4241259, 6297627, 9896271, 18892881, 23091299, 29688813, 69273897, 207821691]

約数ペア:

[(1, 207821691), (3, 69273897), (7, 29688813), (9, 23091299), (11, 18892881), (21, 9896271), (33, 6297627), (49, 4241259), (63, 3298757), (77, 2698983), (99, 2099209), (147, 1413753), (231, 899661), (441, 471251), (539, 385569), (693, 299887), (1617, 128523), (4851, 42841)]