28162407

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14737}}^1$

素因数の和:14767

約数の個数: 24

約数和(自身を含む): 47043696

約数和(自身を除く): 18881289

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14737, 44211, 103159, 191581, 309477, 574743, 722113, 1341067, 2166339, 4023201, 9387469, 28162407]

約数ペア:

[(1, 28162407), (3, 9387469), (7, 4023201), (13, 2166339), (21, 1341067), (39, 722113), (49, 574743), (91, 309477), (147, 191581), (273, 103159), (637, 44211), (1911, 14737)]