16778295

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7933}}^1$

素因数の和:7991

約数の個数: 24

約数和(自身を含む): 29704896

約数和(自身を除く): 12926601

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 7933, 23799, 39665, 71397, 118995, 356985, 372851, 1118553, 1864255, 3355659, 5592765, 16778295]

約数ペア:

[(1, 16778295), (3, 5592765), (5, 3355659), (9, 1864255), (15, 1118553), (45, 372851), (47, 356985), (141, 118995), (235, 71397), (423, 39665), (705, 23799), (2115, 7933)]