2148237

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3971968

約数和(自身を除く): 1823731

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 61, 63, 91, 117, 129, 183, 273, 301, 387, 427, 549, 559, 793, 819, 903, 1281, 1677, 2379, 2623, 2709, 3843, 3913, 5031, 5551, 7137, 7869, 11739, 16653, 18361, 23607, 34099, 35217, 49959, 55083, 102297, 165249, 238693, 306891, 716079, 2148237]

約数ペア:

[(1, 2148237), (3, 716079), (7, 306891), (9, 238693), (13, 165249), (21, 102297), (39, 55083), (43, 49959), (61, 35217), (63, 34099), (91, 23607), (117, 18361), (129, 16653), (183, 11739), (273, 7869), (301, 7137), (387, 5551), (427, 5031), (549, 3913), (559, 3843), (793, 2709), (819, 2623), (903, 2379), (1281, 1677)]