13821009

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 19121664

約数和(自身を除く): 5300655

約数列:

[1, 3, 31, 93, 353, 421, 1059, 1263, 10943, 13051, 32829, 39153, 148613, 445839, 4607003, 13821009]

約数ペア:

[(1, 13821009), (3, 4607003), (31, 445839), (93, 148613), (353, 39153), (421, 32829), (1059, 13051), (1263, 10943)]