209228409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 334938240

約数和(自身を除く): 125709831

約数列:

[1, 3, 9, 13, 39, 71, 89, 117, 213, 267, 283, 639, 801, 849, 923, 1157, 2547, 2769, 3471, 3679, 6319, 8307, 10413, 11037, 18957, 20093, 25187, 33111, 56871, 60279, 75561, 82147, 180837, 226683, 246441, 261209, 327431, 739323, 783627, 982293, 1788277, 2350881, 2946879, 5364831, 16094493, 23247601, 69742803, 209228409]

約数ペア:

[(1, 209228409), (3, 69742803), (9, 23247601), (13, 16094493), (39, 5364831), (71, 2946879), (89, 2350881), (117, 1788277), (213, 982293), (267, 783627), (283, 739323), (639, 327431), (801, 261209), (849, 246441), (923, 226683), (1157, 180837), (2547, 82147), (2769, 75561), (3471, 60279), (3679, 56871), (6319, 33111), (8307, 25187), (10413, 20093), (11037, 18957)]