203891907

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 294174720

約数和(自身を除く): 90282813

約数列:

[1, 3, 19, 57, 71, 83, 213, 249, 607, 1349, 1577, 1821, 4047, 4731, 5893, 11533, 17679, 34599, 43097, 50381, 111967, 129291, 151143, 335901, 818843, 957239, 2456529, 2871717, 3577051, 10731153, 67963969, 203891907]

約数ペア:

[(1, 203891907), (3, 67963969), (19, 10731153), (57, 3577051), (71, 2871717), (83, 2456529), (213, 957239), (249, 818843), (607, 335901), (1349, 151143), (1577, 129291), (1821, 111967), (4047, 50381), (4731, 43097), (5893, 34599), (11533, 17679)]