12225987

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 19257264

約数和(自身を除く): 7031277

約数列:

[1, 3, 9, 19, 53, 57, 71, 159, 171, 213, 361, 477, 639, 1007, 1083, 1349, 3021, 3249, 3763, 4047, 9063, 11289, 12141, 19133, 25631, 33867, 57399, 71497, 76893, 172197, 214491, 230679, 643473, 1358443, 4075329, 12225987]

約数ペア:

[(1, 12225987), (3, 4075329), (9, 1358443), (19, 643473), (53, 230679), (57, 214491), (71, 172197), (159, 76893), (171, 71497), (213, 57399), (361, 33867), (477, 25631), (639, 19133), (1007, 12141), (1083, 11289), (1349, 9063), (3021, 4047), (3249, 3763)]