28377993

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22153}}^1$

素因数の和:22224

約数の個数: 16

約数和(自身を含む): 43953536

約数和(自身を除く): 15575543

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22153, 66459, 155071, 465213, 1351333, 4053999, 9459331, 28377993]

約数ペア:

[(1, 28377993), (3, 9459331), (7, 4053999), (21, 1351333), (61, 465213), (183, 155071), (427, 66459), (1281, 22153)]