457821

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 36

約数和(自身を含む): 837408

約数和(自身を除く): 379587

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 169, 273, 301, 387, 507, 559, 819, 903, 1183, 1521, 1677, 2709, 3549, 3913, 5031, 7267, 10647, 11739, 21801, 35217, 50869, 65403, 152607, 457821]

約数ペア:

[(1, 457821), (3, 152607), (7, 65403), (9, 50869), (13, 35217), (21, 21801), (39, 11739), (43, 10647), (63, 7267), (91, 5031), (117, 3913), (129, 3549), (169, 2709), (273, 1677), (301, 1521), (387, 1183), (507, 903), (559, 819)]