27996885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12697}}^1$

素因数の和:12722

約数の個数: 36

約数和(自身を含む): 56455308

約数和(自身を除く): 28458423

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12697, 38091, 63485, 88879, 114273, 190455, 266637, 444395, 571365, 622153, 799911, 1333185, 1866459, 3110765, 3999555, 5599377, 9332295, 27996885]

約数ペア:

[(1, 27996885), (3, 9332295), (5, 5599377), (7, 3999555), (9, 3110765), (15, 1866459), (21, 1333185), (35, 799911), (45, 622153), (49, 571365), (63, 444395), (105, 266637), (147, 190455), (245, 114273), (315, 88879), (441, 63485), (735, 38091), (2205, 12697)]