28695141

素因数分解:

$3^5\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 14548059

約数列:

[1, 3, 9, 27, 81, 243, 263, 449, 789, 1347, 2367, 4041, 7101, 12123, 21303, 36369, 63909, 109107, 118087, 354261, 1062783, 3188349, 9565047, 28695141]

約数ペア:

[(1, 28695141), (3, 9565047), (9, 3188349), (27, 1062783), (81, 354261), (243, 118087), (263, 109107), (449, 63909), (789, 36369), (1347, 21303), (2367, 12123), (4041, 7101)]