13438971

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 24373440

約数和(自身を除く): 10934469

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 269, 273, 427, 549, 793, 807, 819, 1281, 1883, 2379, 2421, 3497, 3843, 5551, 5649, 7137, 10491, 16409, 16653, 16947, 24479, 31473, 49227, 49959, 73437, 114863, 147681, 213317, 220311, 344589, 639951, 1033767, 1493219, 1919853, 4479657, 13438971]

約数ペア:

[(1, 13438971), (3, 4479657), (7, 1919853), (9, 1493219), (13, 1033767), (21, 639951), (39, 344589), (61, 220311), (63, 213317), (91, 147681), (117, 114863), (183, 73437), (269, 49959), (273, 49227), (427, 31473), (549, 24479), (793, 16947), (807, 16653), (819, 16409), (1281, 10491), (1883, 7137), (2379, 5649), (2421, 5551), (3497, 3843)]