201190821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1063}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 303163392

約数和(自身を除く): 101972571

約数列:

[1, 3, 13, 23, 39, 69, 211, 299, 633, 897, 1063, 2743, 3189, 4853, 8229, 13819, 14559, 24449, 41457, 63089, 73347, 189267, 224293, 317837, 672879, 953511, 2915809, 5158739, 8747427, 15476217, 67063607, 201190821]

約数ペア:

[(1, 201190821), (3, 67063607), (13, 15476217), (23, 8747427), (39, 5158739), (69, 2915809), (211, 953511), (299, 672879), (633, 317837), (897, 224293), (1063, 189267), (2743, 73347), (3189, 63089), (4853, 41457), (8229, 24449), (13819, 14559)]