28741869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1471}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 45007872

約数和(自身を除く): 16266003

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 1471, 1503, 2171, 4413, 6513, 13239, 19123, 19539, 57369, 172107, 245657, 736971, 2210913, 3193541, 9580623, 28741869]

約数ペア:

[(1, 28741869), (3, 9580623), (9, 3193541), (13, 2210913), (39, 736971), (117, 245657), (167, 172107), (501, 57369), (1471, 19539), (1503, 19123), (2171, 13239), (4413, 6513)]