389927307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{31849}}^1$

素因数の和:31923

約数の個数: 32

約数和(自身を含む): 660441600

約数和(自身を除く): 270514293

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 12243, 31849, 95547, 222943, 350339, 668829, 1051017, 1687997, 2452373, 5063991, 7357119, 11815979, 18567967, 35447937, 55703901, 129975769, 389927307]

約数ペア:

[(1, 389927307), (3, 129975769), (7, 55703901), (11, 35447937), (21, 18567967), (33, 11815979), (53, 7357119), (77, 5063991), (159, 2452373), (231, 1687997), (371, 1051017), (583, 668829), (1113, 350339), (1749, 222943), (4081, 95547), (12243, 31849)]